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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- | |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net> | |
7 | * Copyright (C) 2013,2014 Cloudwatt <libre.licensing@cloudwatt.com> | |
8 | * | |
9 | * Author: Loic Dachary <loic@dachary.org> | |
10 | * | |
11 | * This is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU Lesser General Public | |
13 | * License version 2.1, as published by the Free Software | |
14 | * Foundation. See file COPYING. | |
15 | * | |
16 | */ | |
17 | ||
18 | #ifndef CEPH_OSD_TYPES_H | |
19 | #define CEPH_OSD_TYPES_H | |
20 | ||
21 | #include <sstream> | |
22 | #include <stdio.h> | |
23 | #include <memory> | |
24 | #include <boost/scoped_ptr.hpp> | |
25 | #include <boost/optional/optional_io.hpp> | |
26 | #include <boost/variant.hpp> | |
27 | ||
28 | #include "include/rados/rados_types.hpp" | |
29 | #include "include/mempool.h" | |
30 | ||
31 | #include "msg/msg_types.h" | |
32 | #include "include/types.h" | |
33 | #include "include/utime.h" | |
34 | #include "include/CompatSet.h" | |
35 | #include "common/histogram.h" | |
36 | #include "include/interval_set.h" | |
37 | #include "include/inline_memory.h" | |
38 | #include "common/Formatter.h" | |
39 | #include "common/bloom_filter.hpp" | |
40 | #include "common/hobject.h" | |
41 | #include "common/snap_types.h" | |
42 | #include "HitSet.h" | |
43 | #include "Watch.h" | |
44 | #include "include/cmp.h" | |
45 | #include "librados/ListObjectImpl.h" | |
46 | #include "compressor/Compressor.h" | |
47 | #include <atomic> | |
48 | ||
49 | #define CEPH_OSD_ONDISK_MAGIC "ceph osd volume v026" | |
50 | ||
51 | #define CEPH_OSD_FEATURE_INCOMPAT_BASE CompatSet::Feature(1, "initial feature set(~v.18)") | |
52 | #define CEPH_OSD_FEATURE_INCOMPAT_PGINFO CompatSet::Feature(2, "pginfo object") | |
53 | #define CEPH_OSD_FEATURE_INCOMPAT_OLOC CompatSet::Feature(3, "object locator") | |
54 | #define CEPH_OSD_FEATURE_INCOMPAT_LEC CompatSet::Feature(4, "last_epoch_clean") | |
55 | #define CEPH_OSD_FEATURE_INCOMPAT_CATEGORIES CompatSet::Feature(5, "categories") | |
56 | #define CEPH_OSD_FEATURE_INCOMPAT_HOBJECTPOOL CompatSet::Feature(6, "hobjectpool") | |
57 | #define CEPH_OSD_FEATURE_INCOMPAT_BIGINFO CompatSet::Feature(7, "biginfo") | |
58 | #define CEPH_OSD_FEATURE_INCOMPAT_LEVELDBINFO CompatSet::Feature(8, "leveldbinfo") | |
59 | #define CEPH_OSD_FEATURE_INCOMPAT_LEVELDBLOG CompatSet::Feature(9, "leveldblog") | |
60 | #define CEPH_OSD_FEATURE_INCOMPAT_SNAPMAPPER CompatSet::Feature(10, "snapmapper") | |
61 | #define CEPH_OSD_FEATURE_INCOMPAT_SHARDS CompatSet::Feature(11, "sharded objects") | |
62 | #define CEPH_OSD_FEATURE_INCOMPAT_HINTS CompatSet::Feature(12, "transaction hints") | |
63 | #define CEPH_OSD_FEATURE_INCOMPAT_PGMETA CompatSet::Feature(13, "pg meta object") | |
64 | #define CEPH_OSD_FEATURE_INCOMPAT_MISSING CompatSet::Feature(14, "explicit missing set") | |
65 | #define CEPH_OSD_FEATURE_INCOMPAT_FASTINFO CompatSet::Feature(15, "fastinfo pg attr") | |
66 | #define CEPH_OSD_FEATURE_INCOMPAT_RECOVERY_DELETES CompatSet::Feature(16, "deletes in missing set") | |
67 | ||
68 | ||
69 | /// min recovery priority for MBackfillReserve | |
70 | #define OSD_RECOVERY_PRIORITY_MIN 0 | |
71 | ||
72 | /// base backfill priority for MBackfillReserve | |
73 | #define OSD_BACKFILL_PRIORITY_BASE 100 | |
74 | ||
75 | /// base backfill priority for MBackfillReserve (degraded PG) | |
76 | #define OSD_BACKFILL_DEGRADED_PRIORITY_BASE 140 | |
77 | ||
78 | /// base recovery priority for MBackfillReserve | |
79 | #define OSD_RECOVERY_PRIORITY_BASE 180 | |
80 | ||
81 | /// base backfill priority for MBackfillReserve (inactive PG) | |
82 | #define OSD_BACKFILL_INACTIVE_PRIORITY_BASE 220 | |
83 | ||
84 | /// max manually/automatically set recovery priority for MBackfillReserve | |
85 | #define OSD_RECOVERY_PRIORITY_MAX 254 | |
86 | ||
87 | /// max recovery priority for MBackfillReserve, only when forced manually | |
88 | #define OSD_RECOVERY_PRIORITY_FORCED 255 | |
89 | ||
90 | ||
91 | typedef hobject_t collection_list_handle_t; | |
92 | ||
93 | /// convert a single CPEH_OSD_FLAG_* to a string | |
94 | const char *ceph_osd_flag_name(unsigned flag); | |
95 | /// convert a single CEPH_OSD_OF_FLAG_* to a string | |
96 | const char *ceph_osd_op_flag_name(unsigned flag); | |
97 | ||
98 | /// convert CEPH_OSD_FLAG_* op flags to a string | |
99 | string ceph_osd_flag_string(unsigned flags); | |
100 | /// conver CEPH_OSD_OP_FLAG_* op flags to a string | |
101 | string ceph_osd_op_flag_string(unsigned flags); | |
102 | /// conver CEPH_OSD_ALLOC_HINT_FLAG_* op flags to a string | |
103 | string ceph_osd_alloc_hint_flag_string(unsigned flags); | |
104 | ||
105 | ||
106 | /** | |
107 | * osd request identifier | |
108 | * | |
109 | * caller name + incarnation# + tid to unique identify this request. | |
110 | */ | |
111 | struct osd_reqid_t { | |
112 | entity_name_t name; // who | |
113 | ceph_tid_t tid; | |
114 | int32_t inc; // incarnation | |
115 | ||
116 | osd_reqid_t() | |
117 | : tid(0), inc(0) | |
118 | {} | |
119 | osd_reqid_t(const osd_reqid_t& other) | |
120 | : name(other.name), tid(other.tid), inc(other.inc) | |
121 | {} | |
122 | osd_reqid_t(const entity_name_t& a, int i, ceph_tid_t t) | |
123 | : name(a), tid(t), inc(i) | |
124 | {} | |
125 | ||
126 | DENC(osd_reqid_t, v, p) { | |
127 | DENC_START(2, 2, p); | |
128 | denc(v.name, p); | |
129 | denc(v.tid, p); | |
130 | denc(v.inc, p); | |
131 | DENC_FINISH(p); | |
132 | } | |
133 | void dump(Formatter *f) const; | |
134 | static void generate_test_instances(list<osd_reqid_t*>& o); | |
135 | }; | |
136 | WRITE_CLASS_DENC(osd_reqid_t) | |
137 | ||
138 | ||
139 | ||
140 | struct pg_shard_t { | |
141 | int32_t osd; | |
142 | shard_id_t shard; | |
143 | pg_shard_t() : osd(-1), shard(shard_id_t::NO_SHARD) {} | |
144 | explicit pg_shard_t(int osd) : osd(osd), shard(shard_id_t::NO_SHARD) {} | |
145 | pg_shard_t(int osd, shard_id_t shard) : osd(osd), shard(shard) {} | |
146 | bool is_undefined() const { | |
147 | return osd == -1; | |
148 | } | |
149 | void encode(bufferlist &bl) const; | |
150 | void decode(bufferlist::iterator &bl); | |
151 | void dump(Formatter *f) const { | |
152 | f->dump_unsigned("osd", osd); | |
153 | if (shard != shard_id_t::NO_SHARD) { | |
154 | f->dump_unsigned("shard", shard); | |
155 | } | |
156 | } | |
157 | }; | |
158 | WRITE_CLASS_ENCODER(pg_shard_t) | |
159 | WRITE_EQ_OPERATORS_2(pg_shard_t, osd, shard) | |
160 | WRITE_CMP_OPERATORS_2(pg_shard_t, osd, shard) | |
161 | ostream &operator<<(ostream &lhs, const pg_shard_t &rhs); | |
162 | ||
163 | class IsPGRecoverablePredicate { | |
164 | public: | |
165 | /** | |
166 | * have encodes the shards available | |
167 | */ | |
168 | virtual bool operator()(const set<pg_shard_t> &have) const = 0; | |
169 | virtual ~IsPGRecoverablePredicate() {} | |
170 | }; | |
171 | ||
172 | class IsPGReadablePredicate { | |
173 | public: | |
174 | /** | |
175 | * have encodes the shards available | |
176 | */ | |
177 | virtual bool operator()(const set<pg_shard_t> &have) const = 0; | |
178 | virtual ~IsPGReadablePredicate() {} | |
179 | }; | |
180 | ||
181 | inline ostream& operator<<(ostream& out, const osd_reqid_t& r) { | |
182 | return out << r.name << "." << r.inc << ":" << r.tid; | |
183 | } | |
184 | ||
185 | inline bool operator==(const osd_reqid_t& l, const osd_reqid_t& r) { | |
186 | return (l.name == r.name) && (l.inc == r.inc) && (l.tid == r.tid); | |
187 | } | |
188 | inline bool operator!=(const osd_reqid_t& l, const osd_reqid_t& r) { | |
189 | return (l.name != r.name) || (l.inc != r.inc) || (l.tid != r.tid); | |
190 | } | |
191 | inline bool operator<(const osd_reqid_t& l, const osd_reqid_t& r) { | |
192 | return (l.name < r.name) || (l.inc < r.inc) || | |
193 | (l.name == r.name && l.inc == r.inc && l.tid < r.tid); | |
194 | } | |
195 | inline bool operator<=(const osd_reqid_t& l, const osd_reqid_t& r) { | |
196 | return (l.name < r.name) || (l.inc < r.inc) || | |
197 | (l.name == r.name && l.inc == r.inc && l.tid <= r.tid); | |
198 | } | |
199 | inline bool operator>(const osd_reqid_t& l, const osd_reqid_t& r) { return !(l <= r); } | |
200 | inline bool operator>=(const osd_reqid_t& l, const osd_reqid_t& r) { return !(l < r); } | |
201 | ||
202 | namespace std { | |
203 | template<> struct hash<osd_reqid_t> { | |
204 | size_t operator()(const osd_reqid_t &r) const { | |
205 | static hash<uint64_t> H; | |
206 | return H(r.name.num() ^ r.tid ^ r.inc); | |
207 | } | |
208 | }; | |
209 | } // namespace std | |
210 | ||
211 | ||
212 | // ----- | |
213 | ||
214 | // a locator constrains the placement of an object. mainly, which pool | |
215 | // does it go in. | |
216 | struct object_locator_t { | |
217 | // You specify either the hash or the key -- not both | |
218 | int64_t pool; ///< pool id | |
219 | string key; ///< key string (if non-empty) | |
220 | string nspace; ///< namespace | |
221 | int64_t hash; ///< hash position (if >= 0) | |
222 | ||
223 | explicit object_locator_t() | |
224 | : pool(-1), hash(-1) {} | |
225 | explicit object_locator_t(int64_t po) | |
226 | : pool(po), hash(-1) {} | |
227 | explicit object_locator_t(int64_t po, int64_t ps) | |
228 | : pool(po), hash(ps) {} | |
229 | explicit object_locator_t(int64_t po, string ns) | |
230 | : pool(po), nspace(ns), hash(-1) {} | |
231 | explicit object_locator_t(int64_t po, string ns, int64_t ps) | |
232 | : pool(po), nspace(ns), hash(ps) {} | |
233 | explicit object_locator_t(int64_t po, string ns, string s) | |
234 | : pool(po), key(s), nspace(ns), hash(-1) {} | |
235 | explicit object_locator_t(const hobject_t& soid) | |
236 | : pool(soid.pool), key(soid.get_key()), nspace(soid.nspace), hash(-1) {} | |
237 | ||
238 | int64_t get_pool() const { | |
239 | return pool; | |
240 | } | |
241 | ||
242 | void clear() { | |
243 | pool = -1; | |
244 | key = ""; | |
245 | nspace = ""; | |
246 | hash = -1; | |
247 | } | |
248 | ||
249 | bool empty() const { | |
250 | return pool == -1; | |
251 | } | |
252 | ||
253 | void encode(bufferlist& bl) const; | |
254 | void decode(bufferlist::iterator& p); | |
255 | void dump(Formatter *f) const; | |
256 | static void generate_test_instances(list<object_locator_t*>& o); | |
257 | }; | |
258 | WRITE_CLASS_ENCODER(object_locator_t) | |
259 | ||
260 | inline bool operator==(const object_locator_t& l, const object_locator_t& r) { | |
261 | return l.pool == r.pool && l.key == r.key && l.nspace == r.nspace && l.hash == r.hash; | |
262 | } | |
263 | inline bool operator!=(const object_locator_t& l, const object_locator_t& r) { | |
264 | return !(l == r); | |
265 | } | |
266 | ||
267 | inline ostream& operator<<(ostream& out, const object_locator_t& loc) | |
268 | { | |
269 | out << "@" << loc.pool; | |
270 | if (loc.nspace.length()) | |
271 | out << ";" << loc.nspace; | |
272 | if (loc.key.length()) | |
273 | out << ":" << loc.key; | |
274 | return out; | |
275 | } | |
276 | ||
277 | struct request_redirect_t { | |
278 | private: | |
279 | object_locator_t redirect_locator; ///< this is authoritative | |
280 | string redirect_object; ///< If non-empty, the request goes to this object name | |
281 | bufferlist osd_instructions; ///< a bufferlist for the OSDs, passed but not interpreted by clients | |
282 | ||
283 | friend ostream& operator<<(ostream& out, const request_redirect_t& redir); | |
284 | public: | |
285 | ||
286 | request_redirect_t() {} | |
287 | explicit request_redirect_t(const object_locator_t& orig, int64_t rpool) : | |
288 | redirect_locator(orig) { redirect_locator.pool = rpool; } | |
289 | explicit request_redirect_t(const object_locator_t& rloc) : | |
290 | redirect_locator(rloc) {} | |
291 | explicit request_redirect_t(const object_locator_t& orig, | |
292 | const string& robj) : | |
293 | redirect_locator(orig), redirect_object(robj) {} | |
294 | ||
295 | void set_instructions(const bufferlist& bl) { osd_instructions = bl; } | |
296 | const bufferlist& get_instructions() { return osd_instructions; } | |
297 | ||
298 | bool empty() const { return redirect_locator.empty() && | |
299 | redirect_object.empty(); } | |
300 | ||
301 | void combine_with_locator(object_locator_t& orig, string& obj) const { | |
302 | orig = redirect_locator; | |
303 | if (!redirect_object.empty()) | |
304 | obj = redirect_object; | |
305 | } | |
306 | ||
307 | void encode(bufferlist& bl) const; | |
308 | void decode(bufferlist::iterator& bl); | |
309 | void dump(Formatter *f) const; | |
310 | static void generate_test_instances(list<request_redirect_t*>& o); | |
311 | }; | |
312 | WRITE_CLASS_ENCODER(request_redirect_t) | |
313 | ||
314 | inline ostream& operator<<(ostream& out, const request_redirect_t& redir) { | |
315 | out << "object " << redir.redirect_object << ", locator{" << redir.redirect_locator << "}"; | |
316 | return out; | |
317 | } | |
318 | ||
319 | // Internal OSD op flags - set by the OSD based on the op types | |
320 | enum { | |
321 | CEPH_OSD_RMW_FLAG_READ = (1 << 1), | |
322 | CEPH_OSD_RMW_FLAG_WRITE = (1 << 2), | |
323 | CEPH_OSD_RMW_FLAG_CLASS_READ = (1 << 3), | |
324 | CEPH_OSD_RMW_FLAG_CLASS_WRITE = (1 << 4), | |
325 | CEPH_OSD_RMW_FLAG_PGOP = (1 << 5), | |
326 | CEPH_OSD_RMW_FLAG_CACHE = (1 << 6), | |
327 | CEPH_OSD_RMW_FLAG_FORCE_PROMOTE = (1 << 7), | |
328 | CEPH_OSD_RMW_FLAG_SKIP_HANDLE_CACHE = (1 << 8), | |
329 | CEPH_OSD_RMW_FLAG_SKIP_PROMOTE = (1 << 9), | |
330 | CEPH_OSD_RMW_FLAG_RWORDERED = (1 << 10), | |
331 | }; | |
332 | ||
333 | ||
334 | // pg stuff | |
335 | ||
336 | #define OSD_SUPERBLOCK_GOBJECT ghobject_t(hobject_t(sobject_t(object_t("osd_superblock"), 0))) | |
337 | ||
338 | // placement seed (a hash value) | |
339 | typedef uint32_t ps_t; | |
340 | ||
341 | // old (v1) pg_t encoding (wrap old struct ceph_pg) | |
342 | struct old_pg_t { | |
343 | ceph_pg v; | |
344 | void encode(bufferlist& bl) const { | |
345 | ::encode_raw(v, bl); | |
346 | } | |
347 | void decode(bufferlist::iterator& bl) { | |
348 | ::decode_raw(v, bl); | |
349 | } | |
350 | }; | |
351 | WRITE_CLASS_ENCODER(old_pg_t) | |
352 | ||
353 | // placement group id | |
354 | struct pg_t { | |
355 | uint64_t m_pool; | |
356 | uint32_t m_seed; | |
357 | int32_t m_preferred; | |
358 | ||
359 | pg_t() : m_pool(0), m_seed(0), m_preferred(-1) {} | |
360 | pg_t(ps_t seed, uint64_t pool, int pref=-1) : | |
361 | m_pool(pool), m_seed(seed), m_preferred(pref) {} | |
362 | // cppcheck-suppress noExplicitConstructor | |
363 | pg_t(const ceph_pg& cpg) : | |
364 | m_pool(cpg.pool), m_seed(cpg.ps), m_preferred((__s16)cpg.preferred) {} | |
365 | ||
366 | // cppcheck-suppress noExplicitConstructor | |
367 | pg_t(const old_pg_t& opg) { | |
368 | *this = opg.v; | |
369 | } | |
370 | ||
371 | old_pg_t get_old_pg() const { | |
372 | old_pg_t o; | |
373 | assert(m_pool < 0xffffffffull); | |
374 | o.v.pool = m_pool; | |
375 | o.v.ps = m_seed; | |
376 | o.v.preferred = (__s16)m_preferred; | |
377 | return o; | |
378 | } | |
379 | ||
380 | ps_t ps() const { | |
381 | return m_seed; | |
382 | } | |
383 | uint64_t pool() const { | |
384 | return m_pool; | |
385 | } | |
386 | int32_t preferred() const { | |
387 | return m_preferred; | |
388 | } | |
389 | ||
390 | static const uint8_t calc_name_buf_size = 36; // max length for max values len("18446744073709551615.ffffffff") + future suffix len("_head") + '\0' | |
391 | char *calc_name(char *buf, const char *suffix_backwords) const; | |
392 | ||
393 | void set_ps(ps_t p) { | |
394 | m_seed = p; | |
395 | } | |
396 | void set_pool(uint64_t p) { | |
397 | m_pool = p; | |
398 | } | |
399 | void set_preferred(int32_t osd) { | |
400 | m_preferred = osd; | |
401 | } | |
402 | ||
403 | pg_t get_parent() const; | |
404 | pg_t get_ancestor(unsigned old_pg_num) const; | |
405 | ||
406 | int print(char *o, int maxlen) const; | |
407 | bool parse(const char *s); | |
408 | ||
409 | bool is_split(unsigned old_pg_num, unsigned new_pg_num, set<pg_t> *pchildren) const; | |
410 | ||
411 | /** | |
412 | * Returns b such that for all object o: | |
413 | * ~((~0)<<b) & o.hash) == 0 iff o is in the pg for *this | |
414 | */ | |
415 | unsigned get_split_bits(unsigned pg_num) const; | |
416 | ||
417 | bool contains(int bits, const ghobject_t& oid) { | |
418 | return oid.match(bits, ps()); | |
419 | } | |
420 | bool contains(int bits, const hobject_t& oid) { | |
421 | return oid.match(bits, ps()); | |
422 | } | |
423 | ||
424 | hobject_t get_hobj_start() const; | |
425 | hobject_t get_hobj_end(unsigned pg_num) const; | |
426 | ||
427 | void encode(bufferlist& bl) const { | |
428 | __u8 v = 1; | |
429 | ::encode(v, bl); | |
430 | ::encode(m_pool, bl); | |
431 | ::encode(m_seed, bl); | |
432 | ::encode(m_preferred, bl); | |
433 | } | |
434 | void decode(bufferlist::iterator& bl) { | |
435 | __u8 v; | |
436 | ::decode(v, bl); | |
437 | ::decode(m_pool, bl); | |
438 | ::decode(m_seed, bl); | |
439 | ::decode(m_preferred, bl); | |
440 | } | |
441 | void decode_old(bufferlist::iterator& bl) { | |
442 | old_pg_t opg; | |
443 | ::decode(opg, bl); | |
444 | *this = opg; | |
445 | } | |
446 | void dump(Formatter *f) const; | |
447 | static void generate_test_instances(list<pg_t*>& o); | |
448 | }; | |
449 | WRITE_CLASS_ENCODER(pg_t) | |
450 | ||
451 | inline bool operator<(const pg_t& l, const pg_t& r) { | |
452 | return l.pool() < r.pool() || | |
453 | (l.pool() == r.pool() && (l.preferred() < r.preferred() || | |
454 | (l.preferred() == r.preferred() && (l.ps() < r.ps())))); | |
455 | } | |
456 | inline bool operator<=(const pg_t& l, const pg_t& r) { | |
457 | return l.pool() < r.pool() || | |
458 | (l.pool() == r.pool() && (l.preferred() < r.preferred() || | |
459 | (l.preferred() == r.preferred() && (l.ps() <= r.ps())))); | |
460 | } | |
461 | inline bool operator==(const pg_t& l, const pg_t& r) { | |
462 | return l.pool() == r.pool() && | |
463 | l.preferred() == r.preferred() && | |
464 | l.ps() == r.ps(); | |
465 | } | |
466 | inline bool operator!=(const pg_t& l, const pg_t& r) { | |
467 | return l.pool() != r.pool() || | |
468 | l.preferred() != r.preferred() || | |
469 | l.ps() != r.ps(); | |
470 | } | |
471 | inline bool operator>(const pg_t& l, const pg_t& r) { | |
472 | return l.pool() > r.pool() || | |
473 | (l.pool() == r.pool() && (l.preferred() > r.preferred() || | |
474 | (l.preferred() == r.preferred() && (l.ps() > r.ps())))); | |
475 | } | |
476 | inline bool operator>=(const pg_t& l, const pg_t& r) { | |
477 | return l.pool() > r.pool() || | |
478 | (l.pool() == r.pool() && (l.preferred() > r.preferred() || | |
479 | (l.preferred() == r.preferred() && (l.ps() >= r.ps())))); | |
480 | } | |
481 | ||
482 | ostream& operator<<(ostream& out, const pg_t &pg); | |
483 | ||
484 | namespace std { | |
485 | template<> struct hash< pg_t > | |
486 | { | |
487 | size_t operator()( const pg_t& x ) const | |
488 | { | |
489 | static hash<uint32_t> H; | |
490 | return H((x.pool() & 0xffffffff) ^ (x.pool() >> 32) ^ x.ps() ^ x.preferred()); | |
491 | } | |
492 | }; | |
493 | } // namespace std | |
494 | ||
495 | struct spg_t { | |
496 | pg_t pgid; | |
497 | shard_id_t shard; | |
498 | spg_t() : shard(shard_id_t::NO_SHARD) {} | |
499 | spg_t(pg_t pgid, shard_id_t shard) : pgid(pgid), shard(shard) {} | |
500 | explicit spg_t(pg_t pgid) : pgid(pgid), shard(shard_id_t::NO_SHARD) {} | |
501 | unsigned get_split_bits(unsigned pg_num) const { | |
502 | return pgid.get_split_bits(pg_num); | |
503 | } | |
504 | spg_t get_parent() const { | |
505 | return spg_t(pgid.get_parent(), shard); | |
506 | } | |
507 | ps_t ps() const { | |
508 | return pgid.ps(); | |
509 | } | |
510 | uint64_t pool() const { | |
511 | return pgid.pool(); | |
512 | } | |
513 | int32_t preferred() const { | |
514 | return pgid.preferred(); | |
515 | } | |
516 | ||
517 | static const uint8_t calc_name_buf_size = pg_t::calc_name_buf_size + 4; // 36 + len('s') + len("255"); | |
518 | char *calc_name(char *buf, const char *suffix_backwords) const; | |
519 | ||
520 | bool parse(const char *s); | |
521 | bool parse(const std::string& s) { | |
522 | return parse(s.c_str()); | |
523 | } | |
524 | bool is_split(unsigned old_pg_num, unsigned new_pg_num, | |
525 | set<spg_t> *pchildren) const { | |
526 | set<pg_t> _children; | |
527 | set<pg_t> *children = pchildren ? &_children : NULL; | |
528 | bool is_split = pgid.is_split(old_pg_num, new_pg_num, children); | |
529 | if (pchildren && is_split) { | |
530 | for (set<pg_t>::iterator i = _children.begin(); | |
531 | i != _children.end(); | |
532 | ++i) { | |
533 | pchildren->insert(spg_t(*i, shard)); | |
534 | } | |
535 | } | |
536 | return is_split; | |
537 | } | |
538 | bool is_no_shard() const { | |
539 | return shard == shard_id_t::NO_SHARD; | |
540 | } | |
541 | ||
542 | ghobject_t make_pgmeta_oid() const { | |
543 | return ghobject_t::make_pgmeta(pgid.pool(), pgid.ps(), shard); | |
544 | } | |
545 | ||
546 | void encode(bufferlist &bl) const { | |
547 | ENCODE_START(1, 1, bl); | |
548 | ::encode(pgid, bl); | |
549 | ::encode(shard, bl); | |
550 | ENCODE_FINISH(bl); | |
551 | } | |
552 | void decode(bufferlist::iterator &bl) { | |
553 | DECODE_START(1, bl); | |
554 | ::decode(pgid, bl); | |
555 | ::decode(shard, bl); | |
556 | DECODE_FINISH(bl); | |
557 | } | |
558 | ||
559 | ghobject_t make_temp_ghobject(const string& name) const { | |
560 | return ghobject_t( | |
561 | hobject_t(object_t(name), "", CEPH_NOSNAP, | |
562 | pgid.ps(), | |
563 | hobject_t::POOL_TEMP_START - pgid.pool(), ""), | |
564 | ghobject_t::NO_GEN, | |
565 | shard); | |
566 | } | |
567 | ||
568 | unsigned hash_to_shard(unsigned num_shards) const { | |
569 | return ps() % num_shards; | |
570 | } | |
571 | }; | |
572 | WRITE_CLASS_ENCODER(spg_t) | |
573 | WRITE_EQ_OPERATORS_2(spg_t, pgid, shard) | |
574 | WRITE_CMP_OPERATORS_2(spg_t, pgid, shard) | |
575 | ||
576 | namespace std { | |
577 | template<> struct hash< spg_t > | |
578 | { | |
579 | size_t operator()( const spg_t& x ) const | |
580 | { | |
581 | static hash<uint32_t> H; | |
582 | return H(hash<pg_t>()(x.pgid) ^ x.shard); | |
583 | } | |
584 | }; | |
585 | } // namespace std | |
586 | ||
587 | ostream& operator<<(ostream& out, const spg_t &pg); | |
588 | ||
589 | // ---------------------- | |
590 | ||
591 | class coll_t { | |
592 | enum type_t { | |
593 | TYPE_META = 0, | |
594 | TYPE_LEGACY_TEMP = 1, /* no longer used */ | |
595 | TYPE_PG = 2, | |
596 | TYPE_PG_TEMP = 3, | |
597 | }; | |
598 | type_t type; | |
599 | spg_t pgid; | |
600 | uint64_t removal_seq; // note: deprecated, not encoded | |
601 | ||
602 | char _str_buff[spg_t::calc_name_buf_size]; | |
603 | char *_str; | |
604 | ||
605 | void calc_str(); | |
606 | ||
607 | coll_t(type_t t, spg_t p, uint64_t r) | |
608 | : type(t), pgid(p), removal_seq(r) { | |
609 | calc_str(); | |
610 | } | |
611 | ||
612 | public: | |
613 | coll_t() : type(TYPE_META), removal_seq(0) | |
614 | { | |
615 | calc_str(); | |
616 | } | |
617 | ||
618 | coll_t(const coll_t& other) | |
619 | : type(other.type), pgid(other.pgid), removal_seq(other.removal_seq) { | |
620 | calc_str(); | |
621 | } | |
622 | ||
623 | explicit coll_t(spg_t pgid) | |
624 | : type(TYPE_PG), pgid(pgid), removal_seq(0) | |
625 | { | |
626 | calc_str(); | |
627 | } | |
628 | ||
629 | coll_t& operator=(const coll_t& rhs) | |
630 | { | |
631 | this->type = rhs.type; | |
632 | this->pgid = rhs.pgid; | |
633 | this->removal_seq = rhs.removal_seq; | |
634 | this->calc_str(); | |
635 | return *this; | |
636 | } | |
637 | ||
638 | // named constructors | |
639 | static coll_t meta() { | |
640 | return coll_t(); | |
641 | } | |
642 | static coll_t pg(spg_t p) { | |
643 | return coll_t(p); | |
644 | } | |
645 | ||
646 | const std::string to_str() const { | |
647 | return string(_str); | |
648 | } | |
649 | const char *c_str() const { | |
650 | return _str; | |
651 | } | |
652 | ||
653 | bool parse(const std::string& s); | |
654 | ||
655 | int operator<(const coll_t &rhs) const { | |
656 | return type < rhs.type || | |
657 | (type == rhs.type && pgid < rhs.pgid); | |
658 | } | |
659 | ||
660 | bool is_meta() const { | |
661 | return type == TYPE_META; | |
662 | } | |
663 | bool is_pg_prefix(spg_t *pgid_) const { | |
664 | if (type == TYPE_PG || type == TYPE_PG_TEMP) { | |
665 | *pgid_ = pgid; | |
666 | return true; | |
667 | } | |
668 | return false; | |
669 | } | |
670 | bool is_pg() const { | |
671 | return type == TYPE_PG; | |
672 | } | |
673 | bool is_pg(spg_t *pgid_) const { | |
674 | if (type == TYPE_PG) { | |
675 | *pgid_ = pgid; | |
676 | return true; | |
677 | } | |
678 | return false; | |
679 | } | |
680 | bool is_temp() const { | |
681 | return type == TYPE_PG_TEMP; | |
682 | } | |
683 | bool is_temp(spg_t *pgid_) const { | |
684 | if (type == TYPE_PG_TEMP) { | |
685 | *pgid_ = pgid; | |
686 | return true; | |
687 | } | |
688 | return false; | |
689 | } | |
690 | ||
691 | void encode(bufferlist& bl) const; | |
692 | void decode(bufferlist::iterator& bl); | |
693 | size_t encoded_size() const; | |
694 | ||
695 | inline bool operator==(const coll_t& rhs) const { | |
696 | // only compare type if meta | |
697 | if (type != rhs.type) | |
698 | return false; | |
699 | if (type == TYPE_META) | |
700 | return true; | |
701 | return type == rhs.type && pgid == rhs.pgid; | |
702 | } | |
703 | inline bool operator!=(const coll_t& rhs) const { | |
704 | return !(*this == rhs); | |
705 | } | |
706 | ||
707 | // get a TEMP collection that corresponds to the current collection, | |
708 | // which we presume is a pg collection. | |
709 | coll_t get_temp() const { | |
710 | assert(type == TYPE_PG); | |
711 | return coll_t(TYPE_PG_TEMP, pgid, 0); | |
712 | } | |
713 | ||
714 | ghobject_t get_min_hobj() const { | |
715 | ghobject_t o; | |
716 | switch (type) { | |
717 | case TYPE_PG: | |
718 | o.hobj.pool = pgid.pool(); | |
719 | o.set_shard(pgid.shard); | |
720 | break; | |
721 | case TYPE_META: | |
722 | o.hobj.pool = -1; | |
723 | break; | |
724 | default: | |
725 | break; | |
726 | } | |
727 | return o; | |
728 | } | |
729 | ||
730 | unsigned hash_to_shard(unsigned num_shards) const { | |
731 | if (type == TYPE_PG) | |
732 | return pgid.hash_to_shard(num_shards); | |
733 | return 0; // whatever. | |
734 | } | |
735 | ||
736 | void dump(Formatter *f) const; | |
737 | static void generate_test_instances(list<coll_t*>& o); | |
738 | }; | |
739 | ||
740 | WRITE_CLASS_ENCODER(coll_t) | |
741 | ||
742 | inline ostream& operator<<(ostream& out, const coll_t& c) { | |
743 | out << c.to_str(); | |
744 | return out; | |
745 | } | |
746 | ||
747 | namespace std { | |
748 | template<> struct hash<coll_t> { | |
749 | size_t operator()(const coll_t &c) const { | |
750 | size_t h = 0; | |
751 | string str(c.to_str()); | |
752 | std::string::const_iterator end(str.end()); | |
753 | for (std::string::const_iterator s = str.begin(); s != end; ++s) { | |
754 | h += *s; | |
755 | h += (h << 10); | |
756 | h ^= (h >> 6); | |
757 | } | |
758 | h += (h << 3); | |
759 | h ^= (h >> 11); | |
760 | h += (h << 15); | |
761 | return h; | |
762 | } | |
763 | }; | |
764 | } // namespace std | |
765 | ||
766 | inline ostream& operator<<(ostream& out, const ceph_object_layout &ol) | |
767 | { | |
768 | out << pg_t(ol.ol_pgid); | |
769 | int su = ol.ol_stripe_unit; | |
770 | if (su) | |
771 | out << ".su=" << su; | |
772 | return out; | |
773 | } | |
774 | ||
775 | ||
776 | ||
777 | // compound rados version type | |
778 | /* WARNING: If add member in eversion_t, please make sure the encode/decode function | |
779 | * work well. For little-endian machine, we should make sure there is no padding | |
780 | * in 32-bit machine and 64-bit machine. | |
781 | */ | |
782 | class eversion_t { | |
783 | public: | |
784 | version_t version; | |
785 | epoch_t epoch; | |
786 | __u32 __pad; | |
787 | eversion_t() : version(0), epoch(0), __pad(0) {} | |
788 | eversion_t(epoch_t e, version_t v) : version(v), epoch(e), __pad(0) {} | |
789 | ||
790 | // cppcheck-suppress noExplicitConstructor | |
791 | eversion_t(const ceph_eversion& ce) : | |
792 | version(ce.version), | |
793 | epoch(ce.epoch), | |
794 | __pad(0) { } | |
795 | ||
796 | explicit eversion_t(bufferlist& bl) : __pad(0) { decode(bl); } | |
797 | ||
798 | static eversion_t max() { | |
799 | eversion_t max; | |
800 | max.version -= 1; | |
801 | max.epoch -= 1; | |
802 | return max; | |
803 | } | |
804 | ||
805 | operator ceph_eversion() { | |
806 | ceph_eversion c; | |
807 | c.epoch = epoch; | |
808 | c.version = version; | |
809 | return c; | |
810 | } | |
811 | ||
812 | string get_key_name() const; | |
813 | ||
814 | void encode(bufferlist &bl) const { | |
815 | #if defined(CEPH_LITTLE_ENDIAN) | |
816 | bl.append((char *)this, sizeof(version_t) + sizeof(epoch_t)); | |
817 | #else | |
818 | ::encode(version, bl); | |
819 | ::encode(epoch, bl); | |
820 | #endif | |
821 | } | |
822 | void decode(bufferlist::iterator &bl) { | |
823 | #if defined(CEPH_LITTLE_ENDIAN) | |
824 | bl.copy(sizeof(version_t) + sizeof(epoch_t), (char *)this); | |
825 | #else | |
826 | ::decode(version, bl); | |
827 | ::decode(epoch, bl); | |
828 | #endif | |
829 | } | |
830 | void decode(bufferlist& bl) { | |
831 | bufferlist::iterator p = bl.begin(); | |
832 | decode(p); | |
833 | } | |
834 | }; | |
835 | WRITE_CLASS_ENCODER(eversion_t) | |
836 | ||
837 | inline bool operator==(const eversion_t& l, const eversion_t& r) { | |
838 | return (l.epoch == r.epoch) && (l.version == r.version); | |
839 | } | |
840 | inline bool operator!=(const eversion_t& l, const eversion_t& r) { | |
841 | return (l.epoch != r.epoch) || (l.version != r.version); | |
842 | } | |
843 | inline bool operator<(const eversion_t& l, const eversion_t& r) { | |
844 | return (l.epoch == r.epoch) ? (l.version < r.version):(l.epoch < r.epoch); | |
845 | } | |
846 | inline bool operator<=(const eversion_t& l, const eversion_t& r) { | |
847 | return (l.epoch == r.epoch) ? (l.version <= r.version):(l.epoch <= r.epoch); | |
848 | } | |
849 | inline bool operator>(const eversion_t& l, const eversion_t& r) { | |
850 | return (l.epoch == r.epoch) ? (l.version > r.version):(l.epoch > r.epoch); | |
851 | } | |
852 | inline bool operator>=(const eversion_t& l, const eversion_t& r) { | |
853 | return (l.epoch == r.epoch) ? (l.version >= r.version):(l.epoch >= r.epoch); | |
854 | } | |
855 | inline ostream& operator<<(ostream& out, const eversion_t& e) { | |
856 | return out << e.epoch << "'" << e.version; | |
857 | } | |
858 | ||
859 | /** | |
860 | * objectstore_perf_stat_t | |
861 | * | |
862 | * current perf information about the osd | |
863 | */ | |
864 | struct objectstore_perf_stat_t { | |
865 | // cur_op_latency is in ms since double add/sub are not associative | |
866 | uint32_t os_commit_latency; | |
867 | uint32_t os_apply_latency; | |
868 | ||
869 | objectstore_perf_stat_t() : | |
870 | os_commit_latency(0), os_apply_latency(0) {} | |
871 | ||
872 | bool operator==(const objectstore_perf_stat_t &r) const { | |
873 | return os_commit_latency == r.os_commit_latency && | |
874 | os_apply_latency == r.os_apply_latency; | |
875 | } | |
876 | ||
877 | void add(const objectstore_perf_stat_t &o) { | |
878 | os_commit_latency += o.os_commit_latency; | |
879 | os_apply_latency += o.os_apply_latency; | |
880 | } | |
881 | void sub(const objectstore_perf_stat_t &o) { | |
882 | os_commit_latency -= o.os_commit_latency; | |
883 | os_apply_latency -= o.os_apply_latency; | |
884 | } | |
885 | void dump(Formatter *f) const; | |
886 | void encode(bufferlist &bl) const; | |
887 | void decode(bufferlist::iterator &bl); | |
888 | static void generate_test_instances(std::list<objectstore_perf_stat_t*>& o); | |
889 | }; | |
890 | WRITE_CLASS_ENCODER(objectstore_perf_stat_t) | |
891 | ||
892 | /** osd_stat | |
893 | * aggregate stats for an osd | |
894 | */ | |
895 | struct osd_stat_t { | |
896 | int64_t kb, kb_used, kb_avail; | |
897 | vector<int> hb_peers; | |
898 | int32_t snap_trim_queue_len, num_snap_trimming; | |
899 | ||
900 | pow2_hist_t op_queue_age_hist; | |
901 | ||
902 | objectstore_perf_stat_t os_perf_stat; | |
903 | ||
904 | epoch_t up_from = 0; | |
905 | uint64_t seq = 0; | |
906 | ||
907 | osd_stat_t() : kb(0), kb_used(0), kb_avail(0), | |
908 | snap_trim_queue_len(0), num_snap_trimming(0) {} | |
909 | ||
910 | void add(const osd_stat_t& o) { | |
911 | kb += o.kb; | |
912 | kb_used += o.kb_used; | |
913 | kb_avail += o.kb_avail; | |
914 | snap_trim_queue_len += o.snap_trim_queue_len; | |
915 | num_snap_trimming += o.num_snap_trimming; | |
916 | op_queue_age_hist.add(o.op_queue_age_hist); | |
917 | os_perf_stat.add(o.os_perf_stat); | |
918 | } | |
919 | void sub(const osd_stat_t& o) { | |
920 | kb -= o.kb; | |
921 | kb_used -= o.kb_used; | |
922 | kb_avail -= o.kb_avail; | |
923 | snap_trim_queue_len -= o.snap_trim_queue_len; | |
924 | num_snap_trimming -= o.num_snap_trimming; | |
925 | op_queue_age_hist.sub(o.op_queue_age_hist); | |
926 | os_perf_stat.sub(o.os_perf_stat); | |
927 | } | |
928 | ||
929 | void dump(Formatter *f) const; | |
930 | void encode(bufferlist &bl) const; | |
931 | void decode(bufferlist::iterator &bl); | |
932 | static void generate_test_instances(std::list<osd_stat_t*>& o); | |
933 | }; | |
934 | WRITE_CLASS_ENCODER(osd_stat_t) | |
935 | ||
936 | inline bool operator==(const osd_stat_t& l, const osd_stat_t& r) { | |
937 | return l.kb == r.kb && | |
938 | l.kb_used == r.kb_used && | |
939 | l.kb_avail == r.kb_avail && | |
940 | l.snap_trim_queue_len == r.snap_trim_queue_len && | |
941 | l.num_snap_trimming == r.num_snap_trimming && | |
942 | l.hb_peers == r.hb_peers && | |
943 | l.op_queue_age_hist == r.op_queue_age_hist && | |
944 | l.os_perf_stat == r.os_perf_stat; | |
945 | } | |
946 | inline bool operator!=(const osd_stat_t& l, const osd_stat_t& r) { | |
947 | return !(l == r); | |
948 | } | |
949 | ||
950 | ||
951 | ||
952 | inline ostream& operator<<(ostream& out, const osd_stat_t& s) { | |
953 | return out << "osd_stat(" << kb_t(s.kb_used) << " used, " | |
954 | << kb_t(s.kb_avail) << " avail, " | |
955 | << kb_t(s.kb) << " total, " | |
956 | << "peers " << s.hb_peers | |
957 | << " op hist " << s.op_queue_age_hist.h | |
958 | << ")"; | |
959 | } | |
960 | ||
961 | ||
962 | /* | |
963 | * pg states | |
964 | */ | |
965 | #define PG_STATE_CREATING (1<<0) // creating | |
966 | #define PG_STATE_ACTIVE (1<<1) // i am active. (primary: replicas too) | |
967 | #define PG_STATE_CLEAN (1<<2) // peers are complete, clean of stray replicas. | |
968 | #define PG_STATE_DOWN (1<<4) // a needed replica is down, PG offline | |
969 | //#define PG_STATE_REPLAY (1<<5) // crashed, waiting for replay | |
970 | //#define PG_STATE_STRAY (1<<6) // i must notify the primary i exist. | |
971 | //#define PG_STATE_SPLITTING (1<<7) // i am splitting | |
972 | #define PG_STATE_SCRUBBING (1<<8) // scrubbing | |
973 | //#define PG_STATE_SCRUBQ (1<<9) // queued for scrub | |
974 | #define PG_STATE_DEGRADED (1<<10) // pg contains objects with reduced redundancy | |
975 | #define PG_STATE_INCONSISTENT (1<<11) // pg replicas are inconsistent (but shouldn't be) | |
976 | #define PG_STATE_PEERING (1<<12) // pg is (re)peering | |
977 | #define PG_STATE_REPAIR (1<<13) // pg should repair on next scrub | |
978 | #define PG_STATE_RECOVERING (1<<14) // pg is recovering/migrating objects | |
979 | #define PG_STATE_BACKFILL_WAIT (1<<15) // [active] reserving backfill | |
980 | #define PG_STATE_INCOMPLETE (1<<16) // incomplete content, peering failed. | |
981 | #define PG_STATE_STALE (1<<17) // our state for this pg is stale, unknown. | |
982 | #define PG_STATE_REMAPPED (1<<18) // pg is explicitly remapped to different OSDs than CRUSH | |
983 | #define PG_STATE_DEEP_SCRUB (1<<19) // deep scrub: check CRC32 on files | |
984 | #define PG_STATE_BACKFILL (1<<20) // [active] backfilling pg content | |
985 | #define PG_STATE_BACKFILL_TOOFULL (1<<21) // backfill can't proceed: too full | |
986 | #define PG_STATE_RECOVERY_WAIT (1<<22) // waiting for recovery reservations | |
987 | #define PG_STATE_UNDERSIZED (1<<23) // pg acting < pool size | |
988 | #define PG_STATE_ACTIVATING (1<<24) // pg is peered but not yet active | |
989 | #define PG_STATE_PEERED (1<<25) // peered, cannot go active, can recover | |
990 | #define PG_STATE_SNAPTRIM (1<<26) // trimming snaps | |
991 | #define PG_STATE_SNAPTRIM_WAIT (1<<27) // queued to trim snaps | |
992 | #define PG_STATE_RECOVERY_TOOFULL (1<<28) // recovery can't proceed: too full | |
993 | #define PG_STATE_SNAPTRIM_ERROR (1<<29) // error stopped trimming snaps | |
994 | #define PG_STATE_FORCED_RECOVERY (1<<30) // force recovery of this pg before any other | |
995 | #define PG_STATE_FORCED_BACKFILL (1<<31) // force backfill of this pg before any other | |
996 | ||
997 | std::string pg_state_string(int state); | |
998 | std::string pg_vector_string(const vector<int32_t> &a); | |
999 | int pg_string_state(const std::string& state); | |
1000 | ||
1001 | ||
1002 | /* | |
1003 | * pool_snap_info_t | |
1004 | * | |
1005 | * attributes for a single pool snapshot. | |
1006 | */ | |
1007 | struct pool_snap_info_t { | |
1008 | snapid_t snapid; | |
1009 | utime_t stamp; | |
1010 | string name; | |
1011 | ||
1012 | void dump(Formatter *f) const; | |
1013 | void encode(bufferlist& bl, uint64_t features) const; | |
1014 | void decode(bufferlist::iterator& bl); | |
1015 | static void generate_test_instances(list<pool_snap_info_t*>& o); | |
1016 | }; | |
1017 | WRITE_CLASS_ENCODER_FEATURES(pool_snap_info_t) | |
1018 | ||
1019 | inline ostream& operator<<(ostream& out, const pool_snap_info_t& si) { | |
1020 | return out << si.snapid << '(' << si.name << ' ' << si.stamp << ')'; | |
1021 | } | |
1022 | ||
1023 | ||
1024 | /* | |
1025 | * pool_opts_t | |
1026 | * | |
1027 | * pool options. | |
1028 | */ | |
1029 | ||
1030 | class pool_opts_t { | |
1031 | public: | |
1032 | enum key_t { | |
1033 | SCRUB_MIN_INTERVAL, | |
1034 | SCRUB_MAX_INTERVAL, | |
1035 | DEEP_SCRUB_INTERVAL, | |
1036 | RECOVERY_PRIORITY, | |
1037 | RECOVERY_OP_PRIORITY, | |
1038 | SCRUB_PRIORITY, | |
1039 | COMPRESSION_MODE, | |
1040 | COMPRESSION_ALGORITHM, | |
1041 | COMPRESSION_REQUIRED_RATIO, | |
1042 | COMPRESSION_MAX_BLOB_SIZE, | |
1043 | COMPRESSION_MIN_BLOB_SIZE, | |
1044 | CSUM_TYPE, | |
1045 | CSUM_MAX_BLOCK, | |
1046 | CSUM_MIN_BLOCK, | |
1047 | }; | |
1048 | ||
1049 | enum type_t { | |
1050 | STR, | |
1051 | INT, | |
1052 | DOUBLE, | |
1053 | }; | |
1054 | ||
1055 | struct opt_desc_t { | |
1056 | key_t key; | |
1057 | type_t type; | |
1058 | ||
1059 | opt_desc_t(key_t k, type_t t) : key(k), type(t) {} | |
1060 | ||
1061 | bool operator==(const opt_desc_t& rhs) const { | |
1062 | return key == rhs.key && type == rhs.type; | |
1063 | } | |
1064 | }; | |
1065 | ||
1066 | typedef boost::variant<std::string,int,double> value_t; | |
1067 | ||
1068 | static bool is_opt_name(const std::string& name); | |
1069 | static opt_desc_t get_opt_desc(const std::string& name); | |
1070 | ||
1071 | pool_opts_t() : opts() {} | |
1072 | ||
1073 | bool is_set(key_t key) const; | |
1074 | ||
1075 | template<typename T> | |
1076 | void set(key_t key, const T &val) { | |
1077 | value_t value = val; | |
1078 | opts[key] = value; | |
1079 | } | |
1080 | ||
1081 | template<typename T> | |
1082 | bool get(key_t key, T *val) const { | |
1083 | opts_t::const_iterator i = opts.find(key); | |
1084 | if (i == opts.end()) { | |
1085 | return false; | |
1086 | } | |
1087 | *val = boost::get<T>(i->second); | |
1088 | return true; | |
1089 | } | |
1090 | ||
1091 | const value_t& get(key_t key) const; | |
1092 | ||
1093 | bool unset(key_t key); | |
1094 | ||
1095 | void dump(const std::string& name, Formatter *f) const; | |
1096 | ||
1097 | void dump(Formatter *f) const; | |
1098 | void encode(bufferlist &bl) const; | |
1099 | void decode(bufferlist::iterator &bl); | |
1100 | ||
1101 | private: | |
1102 | typedef std::map<key_t, value_t> opts_t; | |
1103 | opts_t opts; | |
1104 | ||
1105 | friend ostream& operator<<(ostream& out, const pool_opts_t& opts); | |
1106 | }; | |
1107 | WRITE_CLASS_ENCODER(pool_opts_t) | |
1108 | ||
1109 | /* | |
1110 | * pg_pool | |
1111 | */ | |
1112 | struct pg_pool_t { | |
1113 | static const char *APPLICATION_NAME_CEPHFS; | |
1114 | static const char *APPLICATION_NAME_RBD; | |
1115 | static const char *APPLICATION_NAME_RGW; | |
1116 | ||
1117 | enum { | |
1118 | TYPE_REPLICATED = 1, // replication | |
1119 | //TYPE_RAID4 = 2, // raid4 (never implemented) | |
1120 | TYPE_ERASURE = 3, // erasure-coded | |
1121 | }; | |
1122 | static const char *get_type_name(int t) { | |
1123 | switch (t) { | |
1124 | case TYPE_REPLICATED: return "replicated"; | |
1125 | //case TYPE_RAID4: return "raid4"; | |
1126 | case TYPE_ERASURE: return "erasure"; | |
1127 | default: return "???"; | |
1128 | } | |
1129 | } | |
1130 | const char *get_type_name() const { | |
1131 | return get_type_name(type); | |
1132 | } | |
1133 | ||
1134 | enum { | |
1135 | FLAG_HASHPSPOOL = 1<<0, // hash pg seed and pool together (instead of adding) | |
1136 | FLAG_FULL = 1<<1, // pool is full | |
1137 | FLAG_EC_OVERWRITES = 1<<2, // enables overwrites, once enabled, cannot be disabled | |
1138 | FLAG_INCOMPLETE_CLONES = 1<<3, // may have incomplete clones (bc we are/were an overlay) | |
1139 | FLAG_NODELETE = 1<<4, // pool can't be deleted | |
1140 | FLAG_NOPGCHANGE = 1<<5, // pool's pg and pgp num can't be changed | |
1141 | FLAG_NOSIZECHANGE = 1<<6, // pool's size and min size can't be changed | |
1142 | FLAG_WRITE_FADVISE_DONTNEED = 1<<7, // write mode with LIBRADOS_OP_FLAG_FADVISE_DONTNEED | |
1143 | FLAG_NOSCRUB = 1<<8, // block periodic scrub | |
1144 | FLAG_NODEEP_SCRUB = 1<<9, // block periodic deep-scrub | |
1145 | }; | |
1146 | ||
1147 | static const char *get_flag_name(int f) { | |
1148 | switch (f) { | |
1149 | case FLAG_HASHPSPOOL: return "hashpspool"; | |
1150 | case FLAG_FULL: return "full"; | |
1151 | case FLAG_EC_OVERWRITES: return "ec_overwrites"; | |
1152 | case FLAG_INCOMPLETE_CLONES: return "incomplete_clones"; | |
1153 | case FLAG_NODELETE: return "nodelete"; | |
1154 | case FLAG_NOPGCHANGE: return "nopgchange"; | |
1155 | case FLAG_NOSIZECHANGE: return "nosizechange"; | |
1156 | case FLAG_WRITE_FADVISE_DONTNEED: return "write_fadvise_dontneed"; | |
1157 | case FLAG_NOSCRUB: return "noscrub"; | |
1158 | case FLAG_NODEEP_SCRUB: return "nodeep-scrub"; | |
1159 | default: return "???"; | |
1160 | } | |
1161 | } | |
1162 | static string get_flags_string(uint64_t f) { | |
1163 | string s; | |
1164 | for (unsigned n=0; f && n<64; ++n) { | |
1165 | if (f & (1ull << n)) { | |
1166 | if (s.length()) | |
1167 | s += ","; | |
1168 | s += get_flag_name(1ull << n); | |
1169 | } | |
1170 | } | |
1171 | return s; | |
1172 | } | |
1173 | string get_flags_string() const { | |
1174 | return get_flags_string(flags); | |
1175 | } | |
1176 | static uint64_t get_flag_by_name(const string& name) { | |
1177 | if (name == "hashpspool") | |
1178 | return FLAG_HASHPSPOOL; | |
1179 | if (name == "full") | |
1180 | return FLAG_FULL; | |
1181 | if (name == "ec_overwrites") | |
1182 | return FLAG_EC_OVERWRITES; | |
1183 | if (name == "incomplete_clones") | |
1184 | return FLAG_INCOMPLETE_CLONES; | |
1185 | if (name == "nodelete") | |
1186 | return FLAG_NODELETE; | |
1187 | if (name == "nopgchange") | |
1188 | return FLAG_NOPGCHANGE; | |
1189 | if (name == "nosizechange") | |
1190 | return FLAG_NOSIZECHANGE; | |
1191 | if (name == "write_fadvise_dontneed") | |
1192 | return FLAG_WRITE_FADVISE_DONTNEED; | |
1193 | if (name == "noscrub") | |
1194 | return FLAG_NOSCRUB; | |
1195 | if (name == "nodeep-scrub") | |
1196 | return FLAG_NODEEP_SCRUB; | |
1197 | return 0; | |
1198 | } | |
1199 | ||
1200 | /// converts the acting/up vector to a set of pg shards | |
1201 | void convert_to_pg_shards(const vector<int> &from, set<pg_shard_t>* to) const; | |
1202 | ||
1203 | typedef enum { | |
1204 | CACHEMODE_NONE = 0, ///< no caching | |
1205 | CACHEMODE_WRITEBACK = 1, ///< write to cache, flush later | |
1206 | CACHEMODE_FORWARD = 2, ///< forward if not in cache | |
1207 | CACHEMODE_READONLY = 3, ///< handle reads, forward writes [not strongly consistent] | |
1208 | CACHEMODE_READFORWARD = 4, ///< forward reads, write to cache flush later | |
1209 | CACHEMODE_READPROXY = 5, ///< proxy reads, write to cache flush later | |
1210 | CACHEMODE_PROXY = 6, ///< proxy if not in cache | |
1211 | } cache_mode_t; | |
1212 | static const char *get_cache_mode_name(cache_mode_t m) { | |
1213 | switch (m) { | |
1214 | case CACHEMODE_NONE: return "none"; | |
1215 | case CACHEMODE_WRITEBACK: return "writeback"; | |
1216 | case CACHEMODE_FORWARD: return "forward"; | |
1217 | case CACHEMODE_READONLY: return "readonly"; | |
1218 | case CACHEMODE_READFORWARD: return "readforward"; | |
1219 | case CACHEMODE_READPROXY: return "readproxy"; | |
1220 | case CACHEMODE_PROXY: return "proxy"; | |
1221 | default: return "unknown"; | |
1222 | } | |
1223 | } | |
1224 | static cache_mode_t get_cache_mode_from_str(const string& s) { | |
1225 | if (s == "none") | |
1226 | return CACHEMODE_NONE; | |
1227 | if (s == "writeback") | |
1228 | return CACHEMODE_WRITEBACK; | |
1229 | if (s == "forward") | |
1230 | return CACHEMODE_FORWARD; | |
1231 | if (s == "readonly") | |
1232 | return CACHEMODE_READONLY; | |
1233 | if (s == "readforward") | |
1234 | return CACHEMODE_READFORWARD; | |
1235 | if (s == "readproxy") | |
1236 | return CACHEMODE_READPROXY; | |
1237 | if (s == "proxy") | |
1238 | return CACHEMODE_PROXY; | |
1239 | return (cache_mode_t)-1; | |
1240 | } | |
1241 | const char *get_cache_mode_name() const { | |
1242 | return get_cache_mode_name(cache_mode); | |
1243 | } | |
1244 | bool cache_mode_requires_hit_set() const { | |
1245 | switch (cache_mode) { | |
1246 | case CACHEMODE_NONE: | |
1247 | case CACHEMODE_FORWARD: | |
1248 | case CACHEMODE_READONLY: | |
1249 | case CACHEMODE_PROXY: | |
1250 | return false; | |
1251 | case CACHEMODE_WRITEBACK: | |
1252 | case CACHEMODE_READFORWARD: | |
1253 | case CACHEMODE_READPROXY: | |
1254 | return true; | |
1255 | default: | |
1256 | assert(0 == "implement me"); | |
1257 | } | |
1258 | } | |
1259 | ||
1260 | uint64_t flags; ///< FLAG_* | |
1261 | __u8 type; ///< TYPE_* | |
1262 | __u8 size, min_size; ///< number of osds in each pg | |
1263 | __u8 crush_rule; ///< crush placement rule | |
1264 | __u8 object_hash; ///< hash mapping object name to ps | |
1265 | private: | |
1266 | __u32 pg_num, pgp_num; ///< number of pgs | |
1267 | ||
1268 | ||
1269 | public: | |
1270 | map<string,string> properties; ///< OBSOLETE | |
1271 | string erasure_code_profile; ///< name of the erasure code profile in OSDMap | |
1272 | epoch_t last_change; ///< most recent epoch changed, exclusing snapshot changes | |
1273 | epoch_t last_force_op_resend; ///< last epoch that forced clients to resend | |
1274 | /// last epoch that forced clients to resend (pre-luminous clients only) | |
1275 | epoch_t last_force_op_resend_preluminous; | |
1276 | snapid_t snap_seq; ///< seq for per-pool snapshot | |
1277 | epoch_t snap_epoch; ///< osdmap epoch of last snap | |
1278 | uint64_t auid; ///< who owns the pg | |
1279 | __u32 crash_replay_interval; ///< seconds to allow clients to replay ACKed but unCOMMITted requests | |
1280 | ||
1281 | uint64_t quota_max_bytes; ///< maximum number of bytes for this pool | |
1282 | uint64_t quota_max_objects; ///< maximum number of objects for this pool | |
1283 | ||
1284 | /* | |
1285 | * Pool snaps (global to this pool). These define a SnapContext for | |
1286 | * the pool, unless the client manually specifies an alternate | |
1287 | * context. | |
1288 | */ | |
1289 | map<snapid_t, pool_snap_info_t> snaps; | |
1290 | /* | |
1291 | * Alternatively, if we are defining non-pool snaps (e.g. via the | |
1292 | * Ceph MDS), we must track @removed_snaps (since @snaps is not | |
1293 | * used). Snaps and removed_snaps are to be used exclusive of each | |
1294 | * other! | |
1295 | */ | |
1296 | interval_set<snapid_t> removed_snaps; | |
1297 | ||
1298 | unsigned pg_num_mask, pgp_num_mask; | |
1299 | ||
1300 | set<uint64_t> tiers; ///< pools that are tiers of us | |
1301 | int64_t tier_of; ///< pool for which we are a tier | |
1302 | // Note that write wins for read+write ops | |
1303 | int64_t read_tier; ///< pool/tier for objecter to direct reads to | |
1304 | int64_t write_tier; ///< pool/tier for objecter to direct writes to | |
1305 | cache_mode_t cache_mode; ///< cache pool mode | |
1306 | ||
1307 | bool is_tier() const { return tier_of >= 0; } | |
1308 | bool has_tiers() const { return !tiers.empty(); } | |
1309 | void clear_tier() { | |
1310 | tier_of = -1; | |
1311 | clear_read_tier(); | |
1312 | clear_write_tier(); | |
1313 | clear_tier_tunables(); | |
1314 | } | |
1315 | bool has_read_tier() const { return read_tier >= 0; } | |
1316 | void clear_read_tier() { read_tier = -1; } | |
1317 | bool has_write_tier() const { return write_tier >= 0; } | |
1318 | void clear_write_tier() { write_tier = -1; } | |
1319 | void clear_tier_tunables() { | |
1320 | if (cache_mode != CACHEMODE_NONE) | |
1321 | flags |= FLAG_INCOMPLETE_CLONES; | |
1322 | cache_mode = CACHEMODE_NONE; | |
1323 | ||
1324 | target_max_bytes = 0; | |
1325 | target_max_objects = 0; | |
1326 | cache_target_dirty_ratio_micro = 0; | |
1327 | cache_target_dirty_high_ratio_micro = 0; | |
1328 | cache_target_full_ratio_micro = 0; | |
1329 | hit_set_params = HitSet::Params(); | |
1330 | hit_set_period = 0; | |
1331 | hit_set_count = 0; | |
1332 | hit_set_grade_decay_rate = 0; | |
1333 | hit_set_search_last_n = 0; | |
1334 | grade_table.resize(0); | |
1335 | } | |
1336 | ||
1337 | uint64_t target_max_bytes; ///< tiering: target max pool size | |
1338 | uint64_t target_max_objects; ///< tiering: target max pool size | |
1339 | ||
1340 | uint32_t cache_target_dirty_ratio_micro; ///< cache: fraction of target to leave dirty | |
1341 | uint32_t cache_target_dirty_high_ratio_micro; ///<cache: fraction of target to flush with high speed | |
1342 | uint32_t cache_target_full_ratio_micro; ///< cache: fraction of target to fill before we evict in earnest | |
1343 | ||
1344 | uint32_t cache_min_flush_age; ///< minimum age (seconds) before we can flush | |
1345 | uint32_t cache_min_evict_age; ///< minimum age (seconds) before we can evict | |
1346 | ||
1347 | HitSet::Params hit_set_params; ///< The HitSet params to use on this pool | |
1348 | uint32_t hit_set_period; ///< periodicity of HitSet segments (seconds) | |
1349 | uint32_t hit_set_count; ///< number of periods to retain | |
1350 | bool use_gmt_hitset; ///< use gmt to name the hitset archive object | |
1351 | uint32_t min_read_recency_for_promote; ///< minimum number of HitSet to check before promote on read | |
1352 | uint32_t min_write_recency_for_promote; ///< minimum number of HitSet to check before promote on write | |
1353 | uint32_t hit_set_grade_decay_rate; ///< current hit_set has highest priority on objects | |
1354 | ///temperature count,the follow hit_set's priority decay | |
1355 | ///by this params than pre hit_set | |
1356 | uint32_t hit_set_search_last_n; ///<accumulate atmost N hit_sets for temperature | |
1357 | ||
1358 | uint32_t stripe_width; ///< erasure coded stripe size in bytes | |
1359 | ||
1360 | uint64_t expected_num_objects; ///< expected number of objects on this pool, a value of 0 indicates | |
1361 | ///< user does not specify any expected value | |
1362 | bool fast_read; ///< whether turn on fast read on the pool or not | |
1363 | ||
1364 | pool_opts_t opts; ///< options | |
1365 | ||
1366 | /// application -> key/value metadata | |
1367 | map<string, std::map<string, string>> application_metadata; | |
1368 | ||
1369 | private: | |
1370 | vector<uint32_t> grade_table; | |
1371 | ||
1372 | public: | |
1373 | uint32_t get_grade(unsigned i) const { | |
1374 | if (grade_table.size() <= i) | |
1375 | return 0; | |
1376 | return grade_table[i]; | |
1377 | } | |
1378 | void calc_grade_table() { | |
1379 | unsigned v = 1000000; | |
1380 | grade_table.resize(hit_set_count); | |
1381 | for (unsigned i = 0; i < hit_set_count; i++) { | |
1382 | v = v * (1 - (hit_set_grade_decay_rate / 100.0)); | |
1383 | grade_table[i] = v; | |
1384 | } | |
1385 | } | |
1386 | ||
1387 | pg_pool_t() | |
1388 | : flags(0), type(0), size(0), min_size(0), | |
1389 | crush_rule(0), object_hash(0), | |
1390 | pg_num(0), pgp_num(0), | |
1391 | last_change(0), | |
1392 | last_force_op_resend(0), | |
1393 | last_force_op_resend_preluminous(0), | |
1394 | snap_seq(0), snap_epoch(0), | |
1395 | auid(0), | |
1396 | crash_replay_interval(0), | |
1397 | quota_max_bytes(0), quota_max_objects(0), | |
1398 | pg_num_mask(0), pgp_num_mask(0), | |
1399 | tier_of(-1), read_tier(-1), write_tier(-1), | |
1400 | cache_mode(CACHEMODE_NONE), | |
1401 | target_max_bytes(0), target_max_objects(0), | |
1402 | cache_target_dirty_ratio_micro(0), | |
1403 | cache_target_dirty_high_ratio_micro(0), | |
1404 | cache_target_full_ratio_micro(0), | |
1405 | cache_min_flush_age(0), | |
1406 | cache_min_evict_age(0), | |
1407 | hit_set_params(), | |
1408 | hit_set_period(0), | |
1409 | hit_set_count(0), | |
1410 | use_gmt_hitset(true), | |
1411 | min_read_recency_for_promote(0), | |
1412 | min_write_recency_for_promote(0), | |
1413 | hit_set_grade_decay_rate(0), | |
1414 | hit_set_search_last_n(0), | |
1415 | stripe_width(0), | |
1416 | expected_num_objects(0), | |
1417 | fast_read(false), | |
1418 | opts() | |
1419 | { } | |
1420 | ||
1421 | void dump(Formatter *f) const; | |
1422 | ||
1423 | uint64_t get_flags() const { return flags; } | |
1424 | bool has_flag(uint64_t f) const { return flags & f; } | |
1425 | void set_flag(uint64_t f) { flags |= f; } | |
1426 | void unset_flag(uint64_t f) { flags &= ~f; } | |
1427 | ||
1428 | bool ec_pool() const { | |
1429 | return type == TYPE_ERASURE; | |
1430 | } | |
1431 | bool require_rollback() const { | |
1432 | return ec_pool(); | |
1433 | } | |
1434 | ||
1435 | /// true if incomplete clones may be present | |
1436 | bool allow_incomplete_clones() const { | |
1437 | return cache_mode != CACHEMODE_NONE || has_flag(FLAG_INCOMPLETE_CLONES); | |
1438 | } | |
1439 | ||
1440 | unsigned get_type() const { return type; } | |
1441 | unsigned get_size() const { return size; } | |
1442 | unsigned get_min_size() const { return min_size; } | |
1443 | int get_crush_rule() const { return crush_rule; } | |
1444 | int get_object_hash() const { return object_hash; } | |
1445 | const char *get_object_hash_name() const { | |
1446 | return ceph_str_hash_name(get_object_hash()); | |
1447 | } | |
1448 | epoch_t get_last_change() const { return last_change; } | |
1449 | epoch_t get_last_force_op_resend() const { return last_force_op_resend; } | |
1450 | epoch_t get_last_force_op_resend_preluminous() const { | |
1451 | return last_force_op_resend_preluminous; | |
1452 | } | |
1453 | epoch_t get_snap_epoch() const { return snap_epoch; } | |
1454 | snapid_t get_snap_seq() const { return snap_seq; } | |
1455 | uint64_t get_auid() const { return auid; } | |
1456 | unsigned get_crash_replay_interval() const { return crash_replay_interval; } | |
1457 | ||
1458 | void set_snap_seq(snapid_t s) { snap_seq = s; } | |
1459 | void set_snap_epoch(epoch_t e) { snap_epoch = e; } | |
1460 | ||
1461 | void set_stripe_width(uint32_t s) { stripe_width = s; } | |
1462 | uint32_t get_stripe_width() const { return stripe_width; } | |
1463 | ||
1464 | bool is_replicated() const { return get_type() == TYPE_REPLICATED; } | |
1465 | bool is_erasure() const { return get_type() == TYPE_ERASURE; } | |
1466 | ||
1467 | bool supports_omap() const { | |
1468 | return !(get_type() == TYPE_ERASURE); | |
1469 | } | |
1470 | ||
1471 | bool requires_aligned_append() const { | |
1472 | return is_erasure() && !has_flag(FLAG_EC_OVERWRITES); | |
1473 | } | |
1474 | uint64_t required_alignment() const { return stripe_width; } | |
1475 | ||
1476 | bool allows_ecoverwrites() const { | |
1477 | return has_flag(FLAG_EC_OVERWRITES); | |
1478 | } | |
1479 | ||
1480 | bool can_shift_osds() const { | |
1481 | switch (get_type()) { | |
1482 | case TYPE_REPLICATED: | |
1483 | return true; | |
1484 | case TYPE_ERASURE: | |
1485 | return false; | |
1486 | default: | |
1487 | assert(0 == "unhandled pool type"); | |
1488 | } | |
1489 | } | |
1490 | ||
1491 | unsigned get_pg_num() const { return pg_num; } | |
1492 | unsigned get_pgp_num() const { return pgp_num; } | |
1493 | ||
1494 | unsigned get_pg_num_mask() const { return pg_num_mask; } | |
1495 | unsigned get_pgp_num_mask() const { return pgp_num_mask; } | |
1496 | ||
1497 | // if pg_num is not a multiple of two, pgs are not equally sized. | |
1498 | // return, for a given pg, the fraction (denominator) of the total | |
1499 | // pool size that it represents. | |
1500 | unsigned get_pg_num_divisor(pg_t pgid) const; | |
1501 | ||
1502 | void set_pg_num(int p) { | |
1503 | pg_num = p; | |
1504 | calc_pg_masks(); | |
1505 | } | |
1506 | void set_pgp_num(int p) { | |
1507 | pgp_num = p; | |
1508 | calc_pg_masks(); | |
1509 | } | |
1510 | ||
1511 | void set_quota_max_bytes(uint64_t m) { | |
1512 | quota_max_bytes = m; | |
1513 | } | |
1514 | uint64_t get_quota_max_bytes() { | |
1515 | return quota_max_bytes; | |
1516 | } | |
1517 | ||
1518 | void set_quota_max_objects(uint64_t m) { | |
1519 | quota_max_objects = m; | |
1520 | } | |
1521 | uint64_t get_quota_max_objects() { | |
1522 | return quota_max_objects; | |
1523 | } | |
1524 | ||
1525 | void set_last_force_op_resend(uint64_t t) { | |
1526 | last_force_op_resend = t; | |
1527 | last_force_op_resend_preluminous = t; | |
1528 | } | |
1529 | ||
1530 | void calc_pg_masks(); | |
1531 | ||
1532 | /* | |
1533 | * we have two snap modes: | |
1534 | * - pool global snaps | |
1535 | * - snap existence/non-existence defined by snaps[] and snap_seq | |
1536 | * - user managed snaps | |
1537 | * - removal governed by removed_snaps | |
1538 | * | |
1539 | * we know which mode we're using based on whether removed_snaps is empty. | |
1540 | * If nothing has been created, both functions report false. | |
1541 | */ | |
1542 | bool is_pool_snaps_mode() const; | |
1543 | bool is_unmanaged_snaps_mode() const; | |
1544 | bool is_removed_snap(snapid_t s) const; | |
1545 | ||
1546 | /* | |
1547 | * build set of known-removed sets from either pool snaps or | |
1548 | * explicit removed_snaps set. | |
1549 | */ | |
1550 | void build_removed_snaps(interval_set<snapid_t>& rs) const; | |
1551 | snapid_t snap_exists(const char *s) const; | |
1552 | void add_snap(const char *n, utime_t stamp); | |
1553 | void add_unmanaged_snap(uint64_t& snapid); | |
1554 | void remove_snap(snapid_t s); | |
1555 | void remove_unmanaged_snap(snapid_t s); | |
1556 | ||
1557 | SnapContext get_snap_context() const; | |
1558 | ||
1559 | /// hash a object name+namespace key to a hash position | |
1560 | uint32_t hash_key(const string& key, const string& ns) const; | |
1561 | ||
1562 | /// round a hash position down to a pg num | |
1563 | uint32_t raw_hash_to_pg(uint32_t v) const; | |
1564 | ||
1565 | /* | |
1566 | * map a raw pg (with full precision ps) into an actual pg, for storage | |
1567 | */ | |
1568 | pg_t raw_pg_to_pg(pg_t pg) const; | |
1569 | ||
1570 | /* | |
1571 | * map raw pg (full precision ps) into a placement seed. include | |
1572 | * pool id in that value so that different pools don't use the same | |
1573 | * seeds. | |
1574 | */ | |
1575 | ps_t raw_pg_to_pps(pg_t pg) const; | |
1576 | ||
1577 | /// choose a random hash position within a pg | |
1578 | uint32_t get_random_pg_position(pg_t pgid, uint32_t seed) const; | |
1579 | ||
1580 | void encode(bufferlist& bl, uint64_t features) const; | |
1581 | void decode(bufferlist::iterator& bl); | |
1582 | ||
1583 | static void generate_test_instances(list<pg_pool_t*>& o); | |
1584 | }; | |
1585 | WRITE_CLASS_ENCODER_FEATURES(pg_pool_t) | |
1586 | ||
1587 | ostream& operator<<(ostream& out, const pg_pool_t& p); | |
1588 | ||
1589 | ||
1590 | /** | |
1591 | * a summation of object stats | |
1592 | * | |
1593 | * This is just a container for object stats; we don't know what for. | |
1594 | * | |
1595 | * If you add members in object_stat_sum_t, you should make sure there are | |
1596 | * not padding among these members. | |
1597 | * You should also modify the padding_check function. | |
1598 | ||
1599 | */ | |
1600 | struct object_stat_sum_t { | |
1601 | /************************************************************************** | |
1602 | * WARNING: be sure to update operator==, floor, and split when | |
1603 | * adding/removing fields! | |
1604 | **************************************************************************/ | |
1605 | int64_t num_bytes; // in bytes | |
1606 | int64_t num_objects; | |
1607 | int64_t num_object_clones; | |
1608 | int64_t num_object_copies; // num_objects * num_replicas | |
1609 | int64_t num_objects_missing_on_primary; | |
1610 | int64_t num_objects_degraded; | |
1611 | int64_t num_objects_unfound; | |
1612 | int64_t num_rd; | |
1613 | int64_t num_rd_kb; | |
1614 | int64_t num_wr; | |
1615 | int64_t num_wr_kb; | |
1616 | int64_t num_scrub_errors; // total deep and shallow scrub errors | |
1617 | int64_t num_objects_recovered; | |
1618 | int64_t num_bytes_recovered; | |
1619 | int64_t num_keys_recovered; | |
1620 | int64_t num_shallow_scrub_errors; | |
1621 | int64_t num_deep_scrub_errors; | |
1622 | int64_t num_objects_dirty; | |
1623 | int64_t num_whiteouts; | |
1624 | int64_t num_objects_omap; | |
1625 | int64_t num_objects_hit_set_archive; | |
1626 | int64_t num_objects_misplaced; | |
1627 | int64_t num_bytes_hit_set_archive; | |
1628 | int64_t num_flush; | |
1629 | int64_t num_flush_kb; | |
1630 | int64_t num_evict; | |
1631 | int64_t num_evict_kb; | |
1632 | int64_t num_promote; | |
1633 | int32_t num_flush_mode_high; // 1 when in high flush mode, otherwise 0 | |
1634 | int32_t num_flush_mode_low; // 1 when in low flush mode, otherwise 0 | |
1635 | int32_t num_evict_mode_some; // 1 when in evict some mode, otherwise 0 | |
1636 | int32_t num_evict_mode_full; // 1 when in evict full mode, otherwise 0 | |
1637 | int64_t num_objects_pinned; | |
1638 | int64_t num_objects_missing; | |
1639 | int64_t num_legacy_snapsets; ///< upper bound on pre-luminous-style SnapSets | |
1640 | ||
1641 | object_stat_sum_t() | |
1642 | : num_bytes(0), | |
1643 | num_objects(0), num_object_clones(0), num_object_copies(0), | |
1644 | num_objects_missing_on_primary(0), num_objects_degraded(0), | |
1645 | num_objects_unfound(0), | |
1646 | num_rd(0), num_rd_kb(0), num_wr(0), num_wr_kb(0), | |
1647 | num_scrub_errors(0), | |
1648 | num_objects_recovered(0), | |
1649 | num_bytes_recovered(0), | |
1650 | num_keys_recovered(0), | |
1651 | num_shallow_scrub_errors(0), | |
1652 | num_deep_scrub_errors(0), | |
1653 | num_objects_dirty(0), | |
1654 | num_whiteouts(0), | |
1655 | num_objects_omap(0), | |
1656 | num_objects_hit_set_archive(0), | |
1657 | num_objects_misplaced(0), | |
1658 | num_bytes_hit_set_archive(0), | |
1659 | num_flush(0), | |
1660 | num_flush_kb(0), | |
1661 | num_evict(0), | |
1662 | num_evict_kb(0), | |
1663 | num_promote(0), | |
1664 | num_flush_mode_high(0), num_flush_mode_low(0), | |
1665 | num_evict_mode_some(0), num_evict_mode_full(0), | |
1666 | num_objects_pinned(0), | |
1667 | num_objects_missing(0), | |
1668 | num_legacy_snapsets(0) | |
1669 | {} | |
1670 | ||
1671 | void floor(int64_t f) { | |
1672 | #define FLOOR(x) if (x < f) x = f | |
1673 | FLOOR(num_bytes); | |
1674 | FLOOR(num_objects); | |
1675 | FLOOR(num_object_clones); | |
1676 | FLOOR(num_object_copies); | |
1677 | FLOOR(num_objects_missing_on_primary); | |
1678 | FLOOR(num_objects_missing); | |
1679 | FLOOR(num_objects_degraded); | |
1680 | FLOOR(num_objects_misplaced); | |
1681 | FLOOR(num_objects_unfound); | |
1682 | FLOOR(num_rd); | |
1683 | FLOOR(num_rd_kb); | |
1684 | FLOOR(num_wr); | |
1685 | FLOOR(num_wr_kb); | |
1686 | FLOOR(num_scrub_errors); | |
1687 | FLOOR(num_shallow_scrub_errors); | |
1688 | FLOOR(num_deep_scrub_errors); | |
1689 | FLOOR(num_objects_recovered); | |
1690 | FLOOR(num_bytes_recovered); | |
1691 | FLOOR(num_keys_recovered); | |
1692 | FLOOR(num_objects_dirty); | |
1693 | FLOOR(num_whiteouts); | |
1694 | FLOOR(num_objects_omap); | |
1695 | FLOOR(num_objects_hit_set_archive); | |
1696 | FLOOR(num_bytes_hit_set_archive); | |
1697 | FLOOR(num_flush); | |
1698 | FLOOR(num_flush_kb); | |
1699 | FLOOR(num_evict); | |
1700 | FLOOR(num_evict_kb); | |
1701 | FLOOR(num_promote); | |
1702 | FLOOR(num_flush_mode_high); | |
1703 | FLOOR(num_flush_mode_low); | |
1704 | FLOOR(num_evict_mode_some); | |
1705 | FLOOR(num_evict_mode_full); | |
1706 | FLOOR(num_objects_pinned); | |
1707 | FLOOR(num_legacy_snapsets); | |
1708 | #undef FLOOR | |
1709 | } | |
1710 | ||
1711 | void split(vector<object_stat_sum_t> &out) const { | |
1712 | #define SPLIT(PARAM) \ | |
1713 | for (unsigned i = 0; i < out.size(); ++i) { \ | |
1714 | out[i].PARAM = PARAM / out.size(); \ | |
1715 | if (i < (PARAM % out.size())) { \ | |
1716 | out[i].PARAM++; \ | |
1717 | } \ | |
1718 | } | |
1719 | #define SPLIT_PRESERVE_NONZERO(PARAM) \ | |
1720 | for (unsigned i = 0; i < out.size(); ++i) { \ | |
1721 | if (PARAM) \ | |
1722 | out[i].PARAM = 1 + PARAM / out.size(); \ | |
1723 | else \ | |
1724 | out[i].PARAM = 0; \ | |
1725 | } | |
1726 | ||
1727 | SPLIT(num_bytes); | |
1728 | SPLIT(num_objects); | |
1729 | SPLIT(num_object_clones); | |
1730 | SPLIT(num_object_copies); | |
1731 | SPLIT(num_objects_missing_on_primary); | |
1732 | SPLIT(num_objects_missing); | |
1733 | SPLIT(num_objects_degraded); | |
1734 | SPLIT(num_objects_misplaced); | |
1735 | SPLIT(num_objects_unfound); | |
1736 | SPLIT(num_rd); | |
1737 | SPLIT(num_rd_kb); | |
1738 | SPLIT(num_wr); | |
1739 | SPLIT(num_wr_kb); | |
1740 | SPLIT(num_scrub_errors); | |
1741 | SPLIT(num_shallow_scrub_errors); | |
1742 | SPLIT(num_deep_scrub_errors); | |
1743 | SPLIT(num_objects_recovered); | |
1744 | SPLIT(num_bytes_recovered); | |
1745 | SPLIT(num_keys_recovered); | |
1746 | SPLIT(num_objects_dirty); | |
1747 | SPLIT(num_whiteouts); | |
1748 | SPLIT(num_objects_omap); | |
1749 | SPLIT(num_objects_hit_set_archive); | |
1750 | SPLIT(num_bytes_hit_set_archive); | |
1751 | SPLIT(num_flush); | |
1752 | SPLIT(num_flush_kb); | |
1753 | SPLIT(num_evict); | |
1754 | SPLIT(num_evict_kb); | |
1755 | SPLIT(num_promote); | |
1756 | SPLIT(num_flush_mode_high); | |
1757 | SPLIT(num_flush_mode_low); | |
1758 | SPLIT(num_evict_mode_some); | |
1759 | SPLIT(num_evict_mode_full); | |
1760 | SPLIT(num_objects_pinned); | |
1761 | SPLIT_PRESERVE_NONZERO(num_legacy_snapsets); | |
1762 | #undef SPLIT | |
1763 | #undef SPLIT_PRESERVE_NONZERO | |
1764 | } | |
1765 | ||
1766 | void clear() { | |
1767 | memset(this, 0, sizeof(*this)); | |
1768 | } | |
1769 | ||
1770 | void calc_copies(int nrep) { | |
1771 | num_object_copies = nrep * num_objects; | |
1772 | } | |
1773 | ||
1774 | bool is_zero() const { | |
1775 | return mem_is_zero((char*)this, sizeof(*this)); | |
1776 | } | |
1777 | ||
1778 | void add(const object_stat_sum_t& o); | |
1779 | void sub(const object_stat_sum_t& o); | |
1780 | ||
1781 | void dump(Formatter *f) const; | |
1782 | void padding_check() { | |
1783 | static_assert( | |
1784 | sizeof(object_stat_sum_t) == | |
1785 | sizeof(num_bytes) + | |
1786 | sizeof(num_objects) + | |
1787 | sizeof(num_object_clones) + | |
1788 | sizeof(num_object_copies) + | |
1789 | sizeof(num_objects_missing_on_primary) + | |
1790 | sizeof(num_objects_degraded) + | |
1791 | sizeof(num_objects_unfound) + | |
1792 | sizeof(num_rd) + | |
1793 | sizeof(num_rd_kb) + | |
1794 | sizeof(num_wr) + | |
1795 | sizeof(num_wr_kb) + | |
1796 | sizeof(num_scrub_errors) + | |
1797 | sizeof(num_objects_recovered) + | |
1798 | sizeof(num_bytes_recovered) + | |
1799 | sizeof(num_keys_recovered) + | |
1800 | sizeof(num_shallow_scrub_errors) + | |
1801 | sizeof(num_deep_scrub_errors) + | |
1802 | sizeof(num_objects_dirty) + | |
1803 | sizeof(num_whiteouts) + | |
1804 | sizeof(num_objects_omap) + | |
1805 | sizeof(num_objects_hit_set_archive) + | |
1806 | sizeof(num_objects_misplaced) + | |
1807 | sizeof(num_bytes_hit_set_archive) + | |
1808 | sizeof(num_flush) + | |
1809 | sizeof(num_flush_kb) + | |
1810 | sizeof(num_evict) + | |
1811 | sizeof(num_evict_kb) + | |
1812 | sizeof(num_promote) + | |
1813 | sizeof(num_flush_mode_high) + | |
1814 | sizeof(num_flush_mode_low) + | |
1815 | sizeof(num_evict_mode_some) + | |
1816 | sizeof(num_evict_mode_full) + | |
1817 | sizeof(num_objects_pinned) + | |
1818 | sizeof(num_objects_missing) + | |
1819 | sizeof(num_legacy_snapsets) | |
1820 | , | |
1821 | "object_stat_sum_t have padding"); | |
1822 | } | |
1823 | void encode(bufferlist& bl) const; | |
1824 | void decode(bufferlist::iterator& bl); | |
1825 | static void generate_test_instances(list<object_stat_sum_t*>& o); | |
1826 | }; | |
1827 | WRITE_CLASS_ENCODER(object_stat_sum_t) | |
1828 | ||
1829 | bool operator==(const object_stat_sum_t& l, const object_stat_sum_t& r); | |
1830 | ||
1831 | /** | |
1832 | * a collection of object stat sums | |
1833 | * | |
1834 | * This is a collection of stat sums over different categories. | |
1835 | */ | |
1836 | struct object_stat_collection_t { | |
1837 | /************************************************************************** | |
1838 | * WARNING: be sure to update the operator== when adding/removing fields! * | |
1839 | **************************************************************************/ | |
1840 | object_stat_sum_t sum; | |
1841 | ||
1842 | void calc_copies(int nrep) { | |
1843 | sum.calc_copies(nrep); | |
1844 | } | |
1845 | ||
1846 | void dump(Formatter *f) const; | |
1847 | void encode(bufferlist& bl) const; | |
1848 | void decode(bufferlist::iterator& bl); | |
1849 | static void generate_test_instances(list<object_stat_collection_t*>& o); | |
1850 | ||
1851 | bool is_zero() const { | |
1852 | return sum.is_zero(); | |
1853 | } | |
1854 | ||
1855 | void clear() { | |
1856 | sum.clear(); | |
1857 | } | |
1858 | ||
1859 | void floor(int64_t f) { | |
1860 | sum.floor(f); | |
1861 | } | |
1862 | ||
1863 | void add(const object_stat_sum_t& o) { | |
1864 | sum.add(o); | |
1865 | } | |
1866 | ||
1867 | void add(const object_stat_collection_t& o) { | |
1868 | sum.add(o.sum); | |
1869 | } | |
1870 | void sub(const object_stat_collection_t& o) { | |
1871 | sum.sub(o.sum); | |
1872 | } | |
1873 | }; | |
1874 | WRITE_CLASS_ENCODER(object_stat_collection_t) | |
1875 | ||
1876 | inline bool operator==(const object_stat_collection_t& l, | |
1877 | const object_stat_collection_t& r) { | |
1878 | return l.sum == r.sum; | |
1879 | } | |
1880 | ||
1881 | ||
1882 | /** pg_stat | |
1883 | * aggregate stats for a single PG. | |
1884 | */ | |
1885 | struct pg_stat_t { | |
1886 | /************************************************************************** | |
1887 | * WARNING: be sure to update the operator== when adding/removing fields! * | |
1888 | **************************************************************************/ | |
1889 | eversion_t version; | |
1890 | version_t reported_seq; // sequence number | |
1891 | epoch_t reported_epoch; // epoch of this report | |
1892 | __u32 state; | |
1893 | utime_t last_fresh; // last reported | |
1894 | utime_t last_change; // new state != previous state | |
1895 | utime_t last_active; // state & PG_STATE_ACTIVE | |
1896 | utime_t last_peered; // state & PG_STATE_ACTIVE || state & PG_STATE_PEERED | |
1897 | utime_t last_clean; // state & PG_STATE_CLEAN | |
1898 | utime_t last_unstale; // (state & PG_STATE_STALE) == 0 | |
1899 | utime_t last_undegraded; // (state & PG_STATE_DEGRADED) == 0 | |
1900 | utime_t last_fullsized; // (state & PG_STATE_UNDERSIZED) == 0 | |
1901 | ||
1902 | eversion_t log_start; // (log_start,version] | |
1903 | eversion_t ondisk_log_start; // there may be more on disk | |
1904 | ||
1905 | epoch_t created; | |
1906 | epoch_t last_epoch_clean; | |
1907 | pg_t parent; | |
1908 | __u32 parent_split_bits; | |
1909 | ||
1910 | eversion_t last_scrub; | |
1911 | eversion_t last_deep_scrub; | |
1912 | utime_t last_scrub_stamp; | |
1913 | utime_t last_deep_scrub_stamp; | |
1914 | utime_t last_clean_scrub_stamp; | |
1915 | ||
1916 | object_stat_collection_t stats; | |
1917 | ||
1918 | int64_t log_size; | |
1919 | int64_t ondisk_log_size; // >= active_log_size | |
1920 | ||
1921 | vector<int32_t> up, acting; | |
1922 | epoch_t mapping_epoch; | |
1923 | ||
1924 | vector<int32_t> blocked_by; ///< osds on which the pg is blocked | |
1925 | ||
1926 | utime_t last_became_active; | |
1927 | utime_t last_became_peered; | |
1928 | ||
1929 | /// up, acting primaries | |
1930 | int32_t up_primary; | |
1931 | int32_t acting_primary; | |
1932 | ||
1933 | bool stats_invalid:1; | |
1934 | /// true if num_objects_dirty is not accurate (because it was not | |
1935 | /// maintained starting from pool creation) | |
1936 | bool dirty_stats_invalid:1; | |
1937 | bool omap_stats_invalid:1; | |
1938 | bool hitset_stats_invalid:1; | |
1939 | bool hitset_bytes_stats_invalid:1; | |
1940 | bool pin_stats_invalid:1; | |
1941 | ||
1942 | pg_stat_t() | |
1943 | : reported_seq(0), | |
1944 | reported_epoch(0), | |
1945 | state(0), | |
1946 | created(0), last_epoch_clean(0), | |
1947 | parent_split_bits(0), | |
1948 | log_size(0), ondisk_log_size(0), | |
1949 | mapping_epoch(0), | |
1950 | up_primary(-1), | |
1951 | acting_primary(-1), | |
1952 | stats_invalid(false), | |
1953 | dirty_stats_invalid(false), | |
1954 | omap_stats_invalid(false), | |
1955 | hitset_stats_invalid(false), | |
1956 | hitset_bytes_stats_invalid(false), | |
1957 | pin_stats_invalid(false) | |
1958 | { } | |
1959 | ||
1960 | epoch_t get_effective_last_epoch_clean() const { | |
1961 | if (state & PG_STATE_CLEAN) { | |
1962 | // we are clean as of this report, and should thus take the | |
1963 | // reported epoch | |
1964 | return reported_epoch; | |
1965 | } else { | |
1966 | return last_epoch_clean; | |
1967 | } | |
1968 | } | |
1969 | ||
1970 | pair<epoch_t, version_t> get_version_pair() const { | |
1971 | return make_pair(reported_epoch, reported_seq); | |
1972 | } | |
1973 | ||
1974 | void floor(int64_t f) { | |
1975 | stats.floor(f); | |
1976 | if (log_size < f) | |
1977 | log_size = f; | |
1978 | if (ondisk_log_size < f) | |
1979 | ondisk_log_size = f; | |
1980 | } | |
1981 | ||
1982 | void add(const pg_stat_t& o) { | |
1983 | stats.add(o.stats); | |
1984 | log_size += o.log_size; | |
1985 | ondisk_log_size += o.ondisk_log_size; | |
1986 | } | |
1987 | void sub(const pg_stat_t& o) { | |
1988 | stats.sub(o.stats); | |
1989 | log_size -= o.log_size; | |
1990 | ondisk_log_size -= o.ondisk_log_size; | |
1991 | } | |
1992 | ||
1993 | bool is_acting_osd(int32_t osd, bool primary) const; | |
1994 | void dump(Formatter *f) const; | |
1995 | void dump_brief(Formatter *f) const; | |
1996 | void encode(bufferlist &bl) const; | |
1997 | void decode(bufferlist::iterator &bl); | |
1998 | static void generate_test_instances(list<pg_stat_t*>& o); | |
1999 | }; | |
2000 | WRITE_CLASS_ENCODER(pg_stat_t) | |
2001 | ||
2002 | bool operator==(const pg_stat_t& l, const pg_stat_t& r); | |
2003 | ||
2004 | /* | |
2005 | * summation over an entire pool | |
2006 | */ | |
2007 | struct pool_stat_t { | |
2008 | object_stat_collection_t stats; | |
2009 | int64_t log_size; | |
2010 | int64_t ondisk_log_size; // >= active_log_size | |
2011 | int32_t up; ///< number of up replicas or shards | |
2012 | int32_t acting; ///< number of acting replicas or shards | |
2013 | ||
2014 | pool_stat_t() : log_size(0), ondisk_log_size(0), up(0), acting(0) | |
2015 | { } | |
2016 | ||
2017 | void floor(int64_t f) { | |
2018 | stats.floor(f); | |
2019 | if (log_size < f) | |
2020 | log_size = f; | |
2021 | if (ondisk_log_size < f) | |
2022 | ondisk_log_size = f; | |
2023 | if (up < f) | |
2024 | up = f; | |
2025 | if (acting < f) | |
2026 | acting = f; | |
2027 | } | |
2028 | ||
2029 | void add(const pg_stat_t& o) { | |
2030 | stats.add(o.stats); | |
2031 | log_size += o.log_size; | |
2032 | ondisk_log_size += o.ondisk_log_size; | |
2033 | up += o.up.size(); | |
2034 | acting += o.acting.size(); | |
2035 | } | |
2036 | void sub(const pg_stat_t& o) { | |
2037 | stats.sub(o.stats); | |
2038 | log_size -= o.log_size; | |
2039 | ondisk_log_size -= o.ondisk_log_size; | |
2040 | up -= o.up.size(); | |
2041 | acting -= o.acting.size(); | |
2042 | } | |
2043 | ||
2044 | bool is_zero() const { | |
2045 | return (stats.is_zero() && | |
2046 | log_size == 0 && | |
2047 | ondisk_log_size == 0 && | |
2048 | up == 0 && | |
2049 | acting == 0); | |
2050 | } | |
2051 | ||
2052 | void dump(Formatter *f) const; | |
2053 | void encode(bufferlist &bl, uint64_t features) const; | |
2054 | void decode(bufferlist::iterator &bl); | |
2055 | static void generate_test_instances(list<pool_stat_t*>& o); | |
2056 | }; | |
2057 | WRITE_CLASS_ENCODER_FEATURES(pool_stat_t) | |
2058 | ||
2059 | ||
2060 | // ----------------------------------------- | |
2061 | ||
2062 | /** | |
2063 | * pg_hit_set_info_t - information about a single recorded HitSet | |
2064 | * | |
2065 | * Track basic metadata about a HitSet, like the nubmer of insertions | |
2066 | * and the time range it covers. | |
2067 | */ | |
2068 | struct pg_hit_set_info_t { | |
2069 | utime_t begin, end; ///< time interval | |
2070 | eversion_t version; ///< version this HitSet object was written | |
2071 | bool using_gmt; ///< use gmt for creating the hit_set archive object name | |
2072 | ||
2073 | friend bool operator==(const pg_hit_set_info_t& l, | |
2074 | const pg_hit_set_info_t& r) { | |
2075 | return | |
2076 | l.begin == r.begin && | |
2077 | l.end == r.end && | |
2078 | l.version == r.version && | |
2079 | l.using_gmt == r.using_gmt; | |
2080 | } | |
2081 | ||
2082 | explicit pg_hit_set_info_t(bool using_gmt = true) | |
2083 | : using_gmt(using_gmt) {} | |
2084 | ||
2085 | void encode(bufferlist &bl) const; | |
2086 | void decode(bufferlist::iterator &bl); | |
2087 | void dump(Formatter *f) const; | |
2088 | static void generate_test_instances(list<pg_hit_set_info_t*>& o); | |
2089 | }; | |
2090 | WRITE_CLASS_ENCODER(pg_hit_set_info_t) | |
2091 | ||
2092 | /** | |
2093 | * pg_hit_set_history_t - information about a history of hitsets | |
2094 | * | |
2095 | * Include information about the currently accumulating hit set as well | |
2096 | * as archived/historical ones. | |
2097 | */ | |
2098 | struct pg_hit_set_history_t { | |
2099 | eversion_t current_last_update; ///< last version inserted into current set | |
2100 | list<pg_hit_set_info_t> history; ///< archived sets, sorted oldest -> newest | |
2101 | ||
2102 | friend bool operator==(const pg_hit_set_history_t& l, | |
2103 | const pg_hit_set_history_t& r) { | |
2104 | return | |
2105 | l.current_last_update == r.current_last_update && | |
2106 | l.history == r.history; | |
2107 | } | |
2108 | ||
2109 | void encode(bufferlist &bl) const; | |
2110 | void decode(bufferlist::iterator &bl); | |
2111 | void dump(Formatter *f) const; | |
2112 | static void generate_test_instances(list<pg_hit_set_history_t*>& o); | |
2113 | }; | |
2114 | WRITE_CLASS_ENCODER(pg_hit_set_history_t) | |
2115 | ||
2116 | ||
2117 | // ----------------------------------------- | |
2118 | ||
2119 | /** | |
2120 | * pg_history_t - information about recent pg peering/mapping history | |
2121 | * | |
2122 | * This is aggressively shared between OSDs to bound the amount of past | |
2123 | * history they need to worry about. | |
2124 | */ | |
2125 | struct pg_history_t { | |
2126 | epoch_t epoch_created; // epoch in which *pg* was created (pool or pg) | |
2127 | epoch_t epoch_pool_created; // epoch in which *pool* was created | |
2128 | // (note: may be pg creation epoch for | |
2129 | // pre-luminous clusters) | |
2130 | epoch_t last_epoch_started; // lower bound on last epoch started (anywhere, not necessarily locally) | |
2131 | epoch_t last_interval_started; // first epoch of last_epoch_started interval | |
2132 | epoch_t last_epoch_clean; // lower bound on last epoch the PG was completely clean. | |
2133 | epoch_t last_interval_clean; // first epoch of last_epoch_clean interval | |
2134 | epoch_t last_epoch_split; // as parent or child | |
2135 | epoch_t last_epoch_marked_full; // pool or cluster | |
2136 | ||
2137 | /** | |
2138 | * In the event of a map discontinuity, same_*_since may reflect the first | |
2139 | * map the osd has seen in the new map sequence rather than the actual start | |
2140 | * of the interval. This is ok since a discontinuity at epoch e means there | |
2141 | * must have been a clean interval between e and now and that we cannot be | |
2142 | * in the active set during the interval containing e. | |
2143 | */ | |
2144 | epoch_t same_up_since; // same acting set since | |
2145 | epoch_t same_interval_since; // same acting AND up set since | |
2146 | epoch_t same_primary_since; // same primary at least back through this epoch. | |
2147 | ||
2148 | eversion_t last_scrub; | |
2149 | eversion_t last_deep_scrub; | |
2150 | utime_t last_scrub_stamp; | |
2151 | utime_t last_deep_scrub_stamp; | |
2152 | utime_t last_clean_scrub_stamp; | |
2153 | ||
2154 | friend bool operator==(const pg_history_t& l, const pg_history_t& r) { | |
2155 | return | |
2156 | l.epoch_created == r.epoch_created && | |
2157 | l.epoch_pool_created == r.epoch_pool_created && | |
2158 | l.last_epoch_started == r.last_epoch_started && | |
2159 | l.last_interval_started == r.last_interval_started && | |
2160 | l.last_epoch_clean == r.last_epoch_clean && | |
2161 | l.last_interval_clean == r.last_interval_clean && | |
2162 | l.last_epoch_split == r.last_epoch_split && | |
2163 | l.last_epoch_marked_full == r.last_epoch_marked_full && | |
2164 | l.same_up_since == r.same_up_since && | |
2165 | l.same_interval_since == r.same_interval_since && | |
2166 | l.same_primary_since == r.same_primary_since && | |
2167 | l.last_scrub == r.last_scrub && | |
2168 | l.last_deep_scrub == r.last_deep_scrub && | |
2169 | l.last_scrub_stamp == r.last_scrub_stamp && | |
2170 | l.last_deep_scrub_stamp == r.last_deep_scrub_stamp && | |
2171 | l.last_clean_scrub_stamp == r.last_clean_scrub_stamp; | |
2172 | } | |
2173 | ||
2174 | pg_history_t() | |
2175 | : epoch_created(0), | |
2176 | epoch_pool_created(0), | |
2177 | last_epoch_started(0), | |
2178 | last_interval_started(0), | |
2179 | last_epoch_clean(0), | |
2180 | last_interval_clean(0), | |
2181 | last_epoch_split(0), | |
2182 | last_epoch_marked_full(0), | |
2183 | same_up_since(0), same_interval_since(0), same_primary_since(0) {} | |
2184 | ||
2185 | bool merge(const pg_history_t &other) { | |
2186 | // Here, we only update the fields which cannot be calculated from the OSDmap. | |
2187 | bool modified = false; | |
2188 | if (epoch_created < other.epoch_created) { | |
2189 | epoch_created = other.epoch_created; | |
2190 | modified = true; | |
2191 | } | |
2192 | if (epoch_pool_created < other.epoch_pool_created) { | |
2193 | // FIXME: for jewel compat only; this should either be 0 or always the | |
2194 | // same value across all pg instances. | |
2195 | epoch_pool_created = other.epoch_pool_created; | |
2196 | modified = true; | |
2197 | } | |
2198 | if (last_epoch_started < other.last_epoch_started) { | |
2199 | last_epoch_started = other.last_epoch_started; | |
2200 | modified = true; | |
2201 | } | |
2202 | if (last_interval_started < other.last_interval_started) { | |
2203 | last_interval_started = other.last_interval_started; | |
2204 | modified = true; | |
2205 | } | |
2206 | if (last_epoch_clean < other.last_epoch_clean) { | |
2207 | last_epoch_clean = other.last_epoch_clean; | |
2208 | modified = true; | |
2209 | } | |
2210 | if (last_interval_clean < other.last_interval_clean) { | |
2211 | last_interval_clean = other.last_interval_clean; | |
2212 | modified = true; | |
2213 | } | |
2214 | if (last_epoch_split < other.last_epoch_split) { | |
2215 | last_epoch_split = other.last_epoch_split; | |
2216 | modified = true; | |
2217 | } | |
2218 | if (last_epoch_marked_full < other.last_epoch_marked_full) { | |
2219 | last_epoch_marked_full = other.last_epoch_marked_full; | |
2220 | modified = true; | |
2221 | } | |
2222 | if (other.last_scrub > last_scrub) { | |
2223 | last_scrub = other.last_scrub; | |
2224 | modified = true; | |
2225 | } | |
2226 | if (other.last_scrub_stamp > last_scrub_stamp) { | |
2227 | last_scrub_stamp = other.last_scrub_stamp; | |
2228 | modified = true; | |
2229 | } | |
2230 | if (other.last_deep_scrub > last_deep_scrub) { | |
2231 | last_deep_scrub = other.last_deep_scrub; | |
2232 | modified = true; | |
2233 | } | |
2234 | if (other.last_deep_scrub_stamp > last_deep_scrub_stamp) { | |
2235 | last_deep_scrub_stamp = other.last_deep_scrub_stamp; | |
2236 | modified = true; | |
2237 | } | |
2238 | if (other.last_clean_scrub_stamp > last_clean_scrub_stamp) { | |
2239 | last_clean_scrub_stamp = other.last_clean_scrub_stamp; | |
2240 | modified = true; | |
2241 | } | |
2242 | return modified; | |
2243 | } | |
2244 | ||
2245 | void encode(bufferlist& bl) const; | |
2246 | void decode(bufferlist::iterator& p); | |
2247 | void dump(Formatter *f) const; | |
2248 | static void generate_test_instances(list<pg_history_t*>& o); | |
2249 | }; | |
2250 | WRITE_CLASS_ENCODER(pg_history_t) | |
2251 | ||
2252 | inline ostream& operator<<(ostream& out, const pg_history_t& h) { | |
2253 | return out << "ec=" << h.epoch_created << "/" << h.epoch_pool_created | |
2254 | << " lis/c " << h.last_interval_started | |
2255 | << "/" << h.last_interval_clean | |
2256 | << " les/c/f " << h.last_epoch_started << "/" << h.last_epoch_clean | |
2257 | << "/" << h.last_epoch_marked_full | |
2258 | << " " << h.same_up_since | |
2259 | << "/" << h.same_interval_since | |
2260 | << "/" << h.same_primary_since; | |
2261 | } | |
2262 | ||
2263 | ||
2264 | /** | |
2265 | * pg_info_t - summary of PG statistics. | |
2266 | * | |
2267 | * some notes: | |
2268 | * - last_complete implies we have all objects that existed as of that | |
2269 | * stamp, OR a newer object, OR have already applied a later delete. | |
2270 | * - if last_complete >= log.bottom, then we know pg contents thru log.head. | |
2271 | * otherwise, we have no idea what the pg is supposed to contain. | |
2272 | */ | |
2273 | struct pg_info_t { | |
2274 | spg_t pgid; | |
2275 | eversion_t last_update; ///< last object version applied to store. | |
2276 | eversion_t last_complete; ///< last version pg was complete through. | |
2277 | epoch_t last_epoch_started; ///< last epoch at which this pg started on this osd | |
2278 | epoch_t last_interval_started; ///< first epoch of last_epoch_started interval | |
2279 | ||
2280 | version_t last_user_version; ///< last user object version applied to store | |
2281 | ||
2282 | eversion_t log_tail; ///< oldest log entry. | |
2283 | ||
2284 | hobject_t last_backfill; ///< objects >= this and < last_complete may be missing | |
2285 | bool last_backfill_bitwise; ///< true if last_backfill reflects a bitwise (vs nibblewise) sort | |
2286 | ||
2287 | interval_set<snapid_t> purged_snaps; | |
2288 | ||
2289 | pg_stat_t stats; | |
2290 | ||
2291 | pg_history_t history; | |
2292 | pg_hit_set_history_t hit_set; | |
2293 | ||
2294 | friend bool operator==(const pg_info_t& l, const pg_info_t& r) { | |
2295 | return | |
2296 | l.pgid == r.pgid && | |
2297 | l.last_update == r.last_update && | |
2298 | l.last_complete == r.last_complete && | |
2299 | l.last_epoch_started == r.last_epoch_started && | |
2300 | l.last_interval_started == r.last_interval_started && | |
2301 | l.last_user_version == r.last_user_version && | |
2302 | l.log_tail == r.log_tail && | |
2303 | l.last_backfill == r.last_backfill && | |
2304 | l.last_backfill_bitwise == r.last_backfill_bitwise && | |
2305 | l.purged_snaps == r.purged_snaps && | |
2306 | l.stats == r.stats && | |
2307 | l.history == r.history && | |
2308 | l.hit_set == r.hit_set; | |
2309 | } | |
2310 | ||
2311 | pg_info_t() | |
2312 | : last_epoch_started(0), | |
2313 | last_interval_started(0), | |
2314 | last_user_version(0), | |
2315 | last_backfill(hobject_t::get_max()), | |
2316 | last_backfill_bitwise(false) | |
2317 | { } | |
2318 | // cppcheck-suppress noExplicitConstructor | |
2319 | pg_info_t(spg_t p) | |
2320 | : pgid(p), | |
2321 | last_epoch_started(0), | |
2322 | last_interval_started(0), | |
2323 | last_user_version(0), | |
2324 | last_backfill(hobject_t::get_max()), | |
2325 | last_backfill_bitwise(false) | |
2326 | { } | |
2327 | ||
2328 | void set_last_backfill(hobject_t pos) { | |
2329 | last_backfill = pos; | |
2330 | last_backfill_bitwise = true; | |
2331 | } | |
2332 | ||
2333 | bool is_empty() const { return last_update.version == 0; } | |
2334 | bool dne() const { return history.epoch_created == 0; } | |
2335 | ||
2336 | bool is_incomplete() const { return !last_backfill.is_max(); } | |
2337 | ||
2338 | void encode(bufferlist& bl) const; | |
2339 | void decode(bufferlist::iterator& p); | |
2340 | void dump(Formatter *f) const; | |
2341 | bool overlaps_with(const pg_info_t &oinfo) const { | |
2342 | return last_update > oinfo.log_tail ? | |
2343 | oinfo.last_update >= log_tail : | |
2344 | last_update >= oinfo.log_tail; | |
2345 | } | |
2346 | static void generate_test_instances(list<pg_info_t*>& o); | |
2347 | }; | |
2348 | WRITE_CLASS_ENCODER(pg_info_t) | |
2349 | ||
2350 | inline ostream& operator<<(ostream& out, const pg_info_t& pgi) | |
2351 | { | |
2352 | out << pgi.pgid << "("; | |
2353 | if (pgi.dne()) | |
2354 | out << " DNE"; | |
2355 | if (pgi.is_empty()) | |
2356 | out << " empty"; | |
2357 | else { | |
2358 | out << " v " << pgi.last_update; | |
2359 | if (pgi.last_complete != pgi.last_update) | |
2360 | out << " lc " << pgi.last_complete; | |
2361 | out << " (" << pgi.log_tail << "," << pgi.last_update << "]"; | |
2362 | } | |
2363 | if (pgi.is_incomplete()) | |
2364 | out << " lb " << pgi.last_backfill | |
2365 | << (pgi.last_backfill_bitwise ? " (bitwise)" : " (NIBBLEWISE)"); | |
2366 | //out << " c " << pgi.epoch_created; | |
2367 | out << " local-lis/les=" << pgi.last_interval_started | |
2368 | << "/" << pgi.last_epoch_started; | |
2369 | out << " n=" << pgi.stats.stats.sum.num_objects; | |
2370 | out << " " << pgi.history | |
2371 | << ")"; | |
2372 | return out; | |
2373 | } | |
2374 | ||
2375 | /** | |
2376 | * pg_fast_info_t - common pg_info_t fields | |
2377 | * | |
2378 | * These are the fields of pg_info_t (and children) that are updated for | |
2379 | * most IO operations. | |
2380 | * | |
2381 | * ** WARNING ** | |
2382 | * Because we rely on these fields to be applied to the normal | |
2383 | * info struct, adding a new field here that is not also new in info | |
2384 | * means that we must set an incompat OSD feature bit! | |
2385 | */ | |
2386 | struct pg_fast_info_t { | |
2387 | eversion_t last_update; | |
2388 | eversion_t last_complete; | |
2389 | version_t last_user_version; | |
2390 | struct { // pg_stat_t stats | |
2391 | eversion_t version; | |
2392 | version_t reported_seq; | |
2393 | utime_t last_fresh; | |
2394 | utime_t last_active; | |
2395 | utime_t last_peered; | |
2396 | utime_t last_clean; | |
2397 | utime_t last_unstale; | |
2398 | utime_t last_undegraded; | |
2399 | utime_t last_fullsized; | |
2400 | int64_t log_size; // (also ondisk_log_size, which has the same value) | |
2401 | struct { // object_stat_collection_t stats; | |
2402 | struct { // objct_stat_sum_t sum | |
2403 | int64_t num_bytes; // in bytes | |
2404 | int64_t num_objects; | |
2405 | int64_t num_object_copies; | |
2406 | int64_t num_rd; | |
2407 | int64_t num_rd_kb; | |
2408 | int64_t num_wr; | |
2409 | int64_t num_wr_kb; | |
2410 | int64_t num_objects_dirty; | |
2411 | } sum; | |
2412 | } stats; | |
2413 | } stats; | |
2414 | ||
2415 | void populate_from(const pg_info_t& info) { | |
2416 | last_update = info.last_update; | |
2417 | last_complete = info.last_complete; | |
2418 | last_user_version = info.last_user_version; | |
2419 | stats.version = info.stats.version; | |
2420 | stats.reported_seq = info.stats.reported_seq; | |
2421 | stats.last_fresh = info.stats.last_fresh; | |
2422 | stats.last_active = info.stats.last_active; | |
2423 | stats.last_peered = info.stats.last_peered; | |
2424 | stats.last_clean = info.stats.last_clean; | |
2425 | stats.last_unstale = info.stats.last_unstale; | |
2426 | stats.last_undegraded = info.stats.last_undegraded; | |
2427 | stats.last_fullsized = info.stats.last_fullsized; | |
2428 | stats.log_size = info.stats.log_size; | |
2429 | stats.stats.sum.num_bytes = info.stats.stats.sum.num_bytes; | |
2430 | stats.stats.sum.num_objects = info.stats.stats.sum.num_objects; | |
2431 | stats.stats.sum.num_object_copies = info.stats.stats.sum.num_object_copies; | |
2432 | stats.stats.sum.num_rd = info.stats.stats.sum.num_rd; | |
2433 | stats.stats.sum.num_rd_kb = info.stats.stats.sum.num_rd_kb; | |
2434 | stats.stats.sum.num_wr = info.stats.stats.sum.num_wr; | |
2435 | stats.stats.sum.num_wr_kb = info.stats.stats.sum.num_wr_kb; | |
2436 | stats.stats.sum.num_objects_dirty = info.stats.stats.sum.num_objects_dirty; | |
2437 | } | |
2438 | ||
2439 | bool try_apply_to(pg_info_t* info) { | |
2440 | if (last_update <= info->last_update) | |
2441 | return false; | |
2442 | info->last_update = last_update; | |
2443 | info->last_complete = last_complete; | |
2444 | info->last_user_version = last_user_version; | |
2445 | info->stats.version = stats.version; | |
2446 | info->stats.reported_seq = stats.reported_seq; | |
2447 | info->stats.last_fresh = stats.last_fresh; | |
2448 | info->stats.last_active = stats.last_active; | |
2449 | info->stats.last_peered = stats.last_peered; | |
2450 | info->stats.last_clean = stats.last_clean; | |
2451 | info->stats.last_unstale = stats.last_unstale; | |
2452 | info->stats.last_undegraded = stats.last_undegraded; | |
2453 | info->stats.last_fullsized = stats.last_fullsized; | |
2454 | info->stats.log_size = stats.log_size; | |
2455 | info->stats.ondisk_log_size = stats.log_size; | |
2456 | info->stats.stats.sum.num_bytes = stats.stats.sum.num_bytes; | |
2457 | info->stats.stats.sum.num_objects = stats.stats.sum.num_objects; | |
2458 | info->stats.stats.sum.num_object_copies = stats.stats.sum.num_object_copies; | |
2459 | info->stats.stats.sum.num_rd = stats.stats.sum.num_rd; | |
2460 | info->stats.stats.sum.num_rd_kb = stats.stats.sum.num_rd_kb; | |
2461 | info->stats.stats.sum.num_wr = stats.stats.sum.num_wr; | |
2462 | info->stats.stats.sum.num_wr_kb = stats.stats.sum.num_wr_kb; | |
2463 | info->stats.stats.sum.num_objects_dirty = stats.stats.sum.num_objects_dirty; | |
2464 | return true; | |
2465 | } | |
2466 | ||
2467 | void encode(bufferlist& bl) const { | |
2468 | ENCODE_START(1, 1, bl); | |
2469 | ::encode(last_update, bl); | |
2470 | ::encode(last_complete, bl); | |
2471 | ::encode(last_user_version, bl); | |
2472 | ::encode(stats.version, bl); | |
2473 | ::encode(stats.reported_seq, bl); | |
2474 | ::encode(stats.last_fresh, bl); | |
2475 | ::encode(stats.last_active, bl); | |
2476 | ::encode(stats.last_peered, bl); | |
2477 | ::encode(stats.last_clean, bl); | |
2478 | ::encode(stats.last_unstale, bl); | |
2479 | ::encode(stats.last_undegraded, bl); | |
2480 | ::encode(stats.last_fullsized, bl); | |
2481 | ::encode(stats.log_size, bl); | |
2482 | ::encode(stats.stats.sum.num_bytes, bl); | |
2483 | ::encode(stats.stats.sum.num_objects, bl); | |
2484 | ::encode(stats.stats.sum.num_object_copies, bl); | |
2485 | ::encode(stats.stats.sum.num_rd, bl); | |
2486 | ::encode(stats.stats.sum.num_rd_kb, bl); | |
2487 | ::encode(stats.stats.sum.num_wr, bl); | |
2488 | ::encode(stats.stats.sum.num_wr_kb, bl); | |
2489 | ::encode(stats.stats.sum.num_objects_dirty, bl); | |
2490 | ENCODE_FINISH(bl); | |
2491 | } | |
2492 | void decode(bufferlist::iterator& p) { | |
2493 | DECODE_START(1, p); | |
2494 | ::decode(last_update, p); | |
2495 | ::decode(last_complete, p); | |
2496 | ::decode(last_user_version, p); | |
2497 | ::decode(stats.version, p); | |
2498 | ::decode(stats.reported_seq, p); | |
2499 | ::decode(stats.last_fresh, p); | |
2500 | ::decode(stats.last_active, p); | |
2501 | ::decode(stats.last_peered, p); | |
2502 | ::decode(stats.last_clean, p); | |
2503 | ::decode(stats.last_unstale, p); | |
2504 | ::decode(stats.last_undegraded, p); | |
2505 | ::decode(stats.last_fullsized, p); | |
2506 | ::decode(stats.log_size, p); | |
2507 | ::decode(stats.stats.sum.num_bytes, p); | |
2508 | ::decode(stats.stats.sum.num_objects, p); | |
2509 | ::decode(stats.stats.sum.num_object_copies, p); | |
2510 | ::decode(stats.stats.sum.num_rd, p); | |
2511 | ::decode(stats.stats.sum.num_rd_kb, p); | |
2512 | ::decode(stats.stats.sum.num_wr, p); | |
2513 | ::decode(stats.stats.sum.num_wr_kb, p); | |
2514 | ::decode(stats.stats.sum.num_objects_dirty, p); | |
2515 | DECODE_FINISH(p); | |
2516 | } | |
2517 | }; | |
2518 | WRITE_CLASS_ENCODER(pg_fast_info_t) | |
2519 | ||
2520 | ||
2521 | struct pg_notify_t { | |
2522 | epoch_t query_epoch; | |
2523 | epoch_t epoch_sent; | |
2524 | pg_info_t info; | |
2525 | shard_id_t to; | |
2526 | shard_id_t from; | |
2527 | pg_notify_t() : | |
2528 | query_epoch(0), epoch_sent(0), to(shard_id_t::NO_SHARD), | |
2529 | from(shard_id_t::NO_SHARD) {} | |
2530 | pg_notify_t( | |
2531 | shard_id_t to, | |
2532 | shard_id_t from, | |
2533 | epoch_t query_epoch, | |
2534 | epoch_t epoch_sent, | |
2535 | const pg_info_t &info) | |
2536 | : query_epoch(query_epoch), | |
2537 | epoch_sent(epoch_sent), | |
2538 | info(info), to(to), from(from) { | |
2539 | assert(from == info.pgid.shard); | |
2540 | } | |
2541 | void encode(bufferlist &bl) const; | |
2542 | void decode(bufferlist::iterator &p); | |
2543 | void dump(Formatter *f) const; | |
2544 | static void generate_test_instances(list<pg_notify_t*> &o); | |
2545 | }; | |
2546 | WRITE_CLASS_ENCODER(pg_notify_t) | |
2547 | ostream &operator<<(ostream &lhs, const pg_notify_t ¬ify); | |
2548 | ||
2549 | ||
2550 | class OSDMap; | |
2551 | /** | |
2552 | * PastIntervals -- information needed to determine the PriorSet and | |
2553 | * the might_have_unfound set | |
2554 | */ | |
2555 | class PastIntervals { | |
2556 | public: | |
2557 | struct pg_interval_t { | |
2558 | vector<int32_t> up, acting; | |
2559 | epoch_t first, last; | |
2560 | bool maybe_went_rw; | |
2561 | int32_t primary; | |
2562 | int32_t up_primary; | |
2563 | ||
2564 | pg_interval_t() | |
2565 | : first(0), last(0), | |
2566 | maybe_went_rw(false), | |
2567 | primary(-1), | |
2568 | up_primary(-1) | |
2569 | {} | |
2570 | ||
2571 | pg_interval_t( | |
2572 | vector<int32_t> &&up, | |
2573 | vector<int32_t> &&acting, | |
2574 | epoch_t first, | |
2575 | epoch_t last, | |
2576 | bool maybe_went_rw, | |
2577 | int32_t primary, | |
2578 | int32_t up_primary) | |
2579 | : up(up), acting(acting), first(first), last(last), | |
2580 | maybe_went_rw(maybe_went_rw), primary(primary), up_primary(up_primary) | |
2581 | {} | |
2582 | ||
2583 | void encode(bufferlist& bl) const; | |
2584 | void decode(bufferlist::iterator& bl); | |
2585 | void dump(Formatter *f) const; | |
2586 | static void generate_test_instances(list<pg_interval_t*>& o); | |
2587 | }; | |
2588 | ||
2589 | PastIntervals() = default; | |
2590 | PastIntervals(bool ec_pool, const OSDMap &osdmap) : PastIntervals() { | |
2591 | update_type_from_map(ec_pool, osdmap); | |
2592 | } | |
2593 | PastIntervals(bool ec_pool, bool compact) : PastIntervals() { | |
2594 | update_type(ec_pool, compact); | |
2595 | } | |
2596 | PastIntervals(PastIntervals &&rhs) = default; | |
2597 | PastIntervals &operator=(PastIntervals &&rhs) = default; | |
2598 | ||
2599 | PastIntervals(const PastIntervals &rhs); | |
2600 | PastIntervals &operator=(const PastIntervals &rhs); | |
2601 | ||
2602 | class interval_rep { | |
2603 | public: | |
2604 | virtual size_t size() const = 0; | |
2605 | virtual bool empty() const = 0; | |
2606 | virtual void clear() = 0; | |
2607 | virtual pair<epoch_t, epoch_t> get_bounds() const = 0; | |
2608 | virtual set<pg_shard_t> get_all_participants( | |
2609 | bool ec_pool) const = 0; | |
2610 | virtual void add_interval(bool ec_pool, const pg_interval_t &interval) = 0; | |
2611 | virtual unique_ptr<interval_rep> clone() const = 0; | |
2612 | virtual ostream &print(ostream &out) const = 0; | |
2613 | virtual void encode(bufferlist &bl) const = 0; | |
2614 | virtual void decode(bufferlist::iterator &bl) = 0; | |
2615 | virtual void dump(Formatter *f) const = 0; | |
2616 | virtual bool is_classic() const = 0; | |
2617 | virtual void iterate_mayberw_back_to( | |
2618 | bool ec_pool, | |
2619 | epoch_t les, | |
2620 | std::function<void(epoch_t, const set<pg_shard_t> &)> &&f) const = 0; | |
2621 | ||
2622 | virtual bool has_full_intervals() const { return false; } | |
2623 | virtual void iterate_all_intervals( | |
2624 | std::function<void(const pg_interval_t &)> &&f) const { | |
2625 | assert(!has_full_intervals()); | |
2626 | assert(0 == "not valid for this implementation"); | |
2627 | } | |
2628 | ||
2629 | virtual ~interval_rep() {} | |
2630 | }; | |
2631 | friend class pi_simple_rep; | |
2632 | friend class pi_compact_rep; | |
2633 | private: | |
2634 | ||
2635 | unique_ptr<interval_rep> past_intervals; | |
2636 | ||
2637 | PastIntervals(interval_rep *rep) : past_intervals(rep) {} | |
2638 | ||
2639 | public: | |
2640 | void add_interval(bool ec_pool, const pg_interval_t &interval) { | |
2641 | assert(past_intervals); | |
2642 | return past_intervals->add_interval(ec_pool, interval); | |
2643 | } | |
2644 | ||
2645 | bool is_classic() const { | |
2646 | assert(past_intervals); | |
2647 | return past_intervals->is_classic(); | |
2648 | } | |
2649 | ||
2650 | void encode(bufferlist &bl) const { | |
2651 | ENCODE_START(1, 1, bl); | |
2652 | if (past_intervals) { | |
2653 | __u8 type = is_classic() ? 1 : 2; | |
2654 | ::encode(type, bl); | |
2655 | past_intervals->encode(bl); | |
2656 | } else { | |
2657 | ::encode((__u8)0, bl); | |
2658 | } | |
2659 | ENCODE_FINISH(bl); | |
2660 | } | |
2661 | void encode_classic(bufferlist &bl) const { | |
2662 | if (past_intervals) { | |
2663 | assert(past_intervals->is_classic()); | |
2664 | past_intervals->encode(bl); | |
2665 | } else { | |
2666 | // it's a map<> | |
2667 | ::encode((uint32_t)0, bl); | |
2668 | } | |
2669 | } | |
2670 | ||
2671 | void decode(bufferlist::iterator &bl); | |
2672 | void decode_classic(bufferlist::iterator &bl); | |
2673 | ||
2674 | void dump(Formatter *f) const { | |
2675 | assert(past_intervals); | |
2676 | past_intervals->dump(f); | |
2677 | } | |
2678 | static void generate_test_instances(list<PastIntervals *> & o); | |
2679 | ||
2680 | /** | |
2681 | * Determines whether there is an interval change | |
2682 | */ | |
2683 | static bool is_new_interval( | |
2684 | int old_acting_primary, | |
2685 | int new_acting_primary, | |
2686 | const vector<int> &old_acting, | |
2687 | const vector<int> &new_acting, | |
2688 | int old_up_primary, | |
2689 | int new_up_primary, | |
2690 | const vector<int> &old_up, | |
2691 | const vector<int> &new_up, | |
2692 | int old_size, | |
2693 | int new_size, | |
2694 | int old_min_size, | |
2695 | int new_min_size, | |
2696 | unsigned old_pg_num, | |
2697 | unsigned new_pg_num, | |
2698 | bool old_sort_bitwise, | |
2699 | bool new_sort_bitwise, | |
2700 | bool old_recovery_deletes, | |
2701 | bool new_recovery_deletes, | |
2702 | pg_t pgid | |
2703 | ); | |
2704 | ||
2705 | /** | |
2706 | * Determines whether there is an interval change | |
2707 | */ | |
2708 | static bool is_new_interval( | |
2709 | int old_acting_primary, ///< [in] primary as of lastmap | |
2710 | int new_acting_primary, ///< [in] primary as of lastmap | |
2711 | const vector<int> &old_acting, ///< [in] acting as of lastmap | |
2712 | const vector<int> &new_acting, ///< [in] acting as of osdmap | |
2713 | int old_up_primary, ///< [in] up primary of lastmap | |
2714 | int new_up_primary, ///< [in] up primary of osdmap | |
2715 | const vector<int> &old_up, ///< [in] up as of lastmap | |
2716 | const vector<int> &new_up, ///< [in] up as of osdmap | |
2717 | ceph::shared_ptr<const OSDMap> osdmap, ///< [in] current map | |
2718 | ceph::shared_ptr<const OSDMap> lastmap, ///< [in] last map | |
2719 | pg_t pgid ///< [in] pgid for pg | |
2720 | ); | |
2721 | ||
2722 | /** | |
2723 | * Integrates a new map into *past_intervals, returns true | |
2724 | * if an interval was closed out. | |
2725 | */ | |
2726 | static bool check_new_interval( | |
2727 | int old_acting_primary, ///< [in] primary as of lastmap | |
2728 | int new_acting_primary, ///< [in] primary as of osdmap | |
2729 | const vector<int> &old_acting, ///< [in] acting as of lastmap | |
2730 | const vector<int> &new_acting, ///< [in] acting as of osdmap | |
2731 | int old_up_primary, ///< [in] up primary of lastmap | |
2732 | int new_up_primary, ///< [in] up primary of osdmap | |
2733 | const vector<int> &old_up, ///< [in] up as of lastmap | |
2734 | const vector<int> &new_up, ///< [in] up as of osdmap | |
2735 | epoch_t same_interval_since, ///< [in] as of osdmap | |
2736 | epoch_t last_epoch_clean, ///< [in] current | |
2737 | ceph::shared_ptr<const OSDMap> osdmap, ///< [in] current map | |
2738 | ceph::shared_ptr<const OSDMap> lastmap, ///< [in] last map | |
2739 | pg_t pgid, ///< [in] pgid for pg | |
2740 | IsPGRecoverablePredicate *could_have_gone_active, /// [in] predicate whether the pg can be active | |
2741 | PastIntervals *past_intervals, ///< [out] intervals | |
2742 | ostream *out = 0 ///< [out] debug ostream | |
2743 | ); | |
2744 | ||
2745 | friend ostream& operator<<(ostream& out, const PastIntervals &i); | |
2746 | ||
2747 | template <typename F> | |
2748 | void iterate_mayberw_back_to( | |
2749 | bool ec_pool, | |
2750 | epoch_t les, | |
2751 | F &&f) const { | |
2752 | assert(past_intervals); | |
2753 | past_intervals->iterate_mayberw_back_to(ec_pool, les, std::forward<F>(f)); | |
2754 | } | |
2755 | void clear() { | |
2756 | assert(past_intervals); | |
2757 | past_intervals->clear(); | |
2758 | } | |
2759 | ||
2760 | /** | |
2761 | * Should return a value which gives an indication of the amount | |
2762 | * of state contained | |
2763 | */ | |
2764 | size_t size() const { | |
2765 | assert(past_intervals); | |
2766 | return past_intervals->size(); | |
2767 | } | |
2768 | ||
2769 | bool empty() const { | |
2770 | assert(past_intervals); | |
2771 | return past_intervals->empty(); | |
2772 | } | |
2773 | ||
2774 | void swap(PastIntervals &other) { | |
2775 | using std::swap; | |
2776 | swap(other.past_intervals, past_intervals); | |
2777 | } | |
2778 | ||
2779 | /** | |
2780 | * Return all shards which have been in the acting set back to the | |
2781 | * latest epoch to which we have trimmed except for pg_whoami | |
2782 | */ | |
2783 | set<pg_shard_t> get_might_have_unfound( | |
2784 | pg_shard_t pg_whoami, | |
2785 | bool ec_pool) const { | |
2786 | assert(past_intervals); | |
2787 | auto ret = past_intervals->get_all_participants(ec_pool); | |
2788 | ret.erase(pg_whoami); | |
2789 | return ret; | |
2790 | } | |
2791 | ||
2792 | /** | |
2793 | * Return all shards which we might want to talk to for peering | |
2794 | */ | |
2795 | set<pg_shard_t> get_all_probe( | |
2796 | bool ec_pool) const { | |
2797 | assert(past_intervals); | |
2798 | return past_intervals->get_all_participants(ec_pool); | |
2799 | } | |
2800 | ||
2801 | /* Return the set of epochs [start, end) represented by the | |
2802 | * past_interval set. | |
2803 | */ | |
2804 | pair<epoch_t, epoch_t> get_bounds() const { | |
2805 | assert(past_intervals); | |
2806 | return past_intervals->get_bounds(); | |
2807 | } | |
2808 | ||
2809 | enum osd_state_t { | |
2810 | UP, | |
2811 | DOWN, | |
2812 | DNE, | |
2813 | LOST | |
2814 | }; | |
2815 | struct PriorSet { | |
2816 | bool ec_pool = false; | |
2817 | set<pg_shard_t> probe; /// current+prior OSDs we need to probe. | |
2818 | set<int> down; /// down osds that would normally be in @a probe and might be interesting. | |
2819 | map<int, epoch_t> blocked_by; /// current lost_at values for any OSDs in cur set for which (re)marking them lost would affect cur set | |
2820 | ||
2821 | bool pg_down = false; /// some down osds are included in @a cur; the DOWN pg state bit should be set. | |
2822 | unique_ptr<IsPGRecoverablePredicate> pcontdec; | |
2823 | ||
2824 | PriorSet() = default; | |
2825 | PriorSet(PriorSet &&) = default; | |
2826 | PriorSet &operator=(PriorSet &&) = default; | |
2827 | ||
2828 | PriorSet &operator=(const PriorSet &) = delete; | |
2829 | PriorSet(const PriorSet &) = delete; | |
2830 | ||
2831 | bool operator==(const PriorSet &rhs) const { | |
2832 | return (ec_pool == rhs.ec_pool) && | |
2833 | (probe == rhs.probe) && | |
2834 | (down == rhs.down) && | |
2835 | (blocked_by == rhs.blocked_by) && | |
2836 | (pg_down == rhs.pg_down); | |
2837 | } | |
2838 | ||
2839 | bool affected_by_map( | |
2840 | const OSDMap &osdmap, | |
2841 | const DoutPrefixProvider *dpp) const; | |
2842 | ||
2843 | // For verifying tests | |
2844 | PriorSet( | |
2845 | bool ec_pool, | |
2846 | set<pg_shard_t> probe, | |
2847 | set<int> down, | |
2848 | map<int, epoch_t> blocked_by, | |
2849 | bool pg_down, | |
2850 | IsPGRecoverablePredicate *pcontdec) | |
2851 | : ec_pool(ec_pool), probe(probe), down(down), blocked_by(blocked_by), | |
2852 | pg_down(pg_down), pcontdec(pcontdec) {} | |
2853 | ||
2854 | private: | |
2855 | template <typename F> | |
2856 | PriorSet( | |
2857 | const PastIntervals &past_intervals, | |
2858 | bool ec_pool, | |
2859 | epoch_t last_epoch_started, | |
2860 | IsPGRecoverablePredicate *c, | |
2861 | F f, | |
2862 | const vector<int> &up, | |
2863 | const vector<int> &acting, | |
2864 | const DoutPrefixProvider *dpp); | |
2865 | ||
2866 | friend class PastIntervals; | |
2867 | }; | |
2868 | ||
2869 | void update_type(bool ec_pool, bool compact); | |
2870 | void update_type_from_map(bool ec_pool, const OSDMap &osdmap); | |
2871 | ||
2872 | template <typename... Args> | |
2873 | PriorSet get_prior_set(Args&&... args) const { | |
2874 | return PriorSet(*this, std::forward<Args>(args)...); | |
2875 | } | |
2876 | }; | |
2877 | WRITE_CLASS_ENCODER(PastIntervals) | |
2878 | ||
2879 | ostream& operator<<(ostream& out, const PastIntervals::pg_interval_t& i); | |
2880 | ostream& operator<<(ostream& out, const PastIntervals &i); | |
2881 | ostream& operator<<(ostream& out, const PastIntervals::PriorSet &i); | |
2882 | ||
2883 | template <typename F> | |
2884 | PastIntervals::PriorSet::PriorSet( | |
2885 | const PastIntervals &past_intervals, | |
2886 | bool ec_pool, | |
2887 | epoch_t last_epoch_started, | |
2888 | IsPGRecoverablePredicate *c, | |
2889 | F f, | |
2890 | const vector<int> &up, | |
2891 | const vector<int> &acting, | |
2892 | const DoutPrefixProvider *dpp) | |
2893 | : ec_pool(ec_pool), pg_down(false), pcontdec(c) | |
2894 | { | |
2895 | /* | |
2896 | * We have to be careful to gracefully deal with situations like | |
2897 | * so. Say we have a power outage or something that takes out both | |
2898 | * OSDs, but the monitor doesn't mark them down in the same epoch. | |
2899 | * The history may look like | |
2900 | * | |
2901 | * 1: A B | |
2902 | * 2: B | |
2903 | * 3: let's say B dies for good, too (say, from the power spike) | |
2904 | * 4: A | |
2905 | * | |
2906 | * which makes it look like B may have applied updates to the PG | |
2907 | * that we need in order to proceed. This sucks... | |
2908 | * | |
2909 | * To minimize the risk of this happening, we CANNOT go active if | |
2910 | * _any_ OSDs in the prior set are down until we send an MOSDAlive | |
2911 | * to the monitor such that the OSDMap sets osd_up_thru to an epoch. | |
2912 | * Then, we have something like | |
2913 | * | |
2914 | * 1: A B | |
2915 | * 2: B up_thru[B]=0 | |
2916 | * 3: | |
2917 | * 4: A | |
2918 | * | |
2919 | * -> we can ignore B, bc it couldn't have gone active (alive_thru | |
2920 | * still 0). | |
2921 | * | |
2922 | * or, | |
2923 | * | |
2924 | * 1: A B | |
2925 | * 2: B up_thru[B]=0 | |
2926 | * 3: B up_thru[B]=2 | |
2927 | * 4: | |
2928 | * 5: A | |
2929 | * | |
2930 | * -> we must wait for B, bc it was alive through 2, and could have | |
2931 | * written to the pg. | |
2932 | * | |
2933 | * If B is really dead, then an administrator will need to manually | |
2934 | * intervene by marking the OSD as "lost." | |
2935 | */ | |
2936 | ||
2937 | // Include current acting and up nodes... not because they may | |
2938 | // contain old data (this interval hasn't gone active, obviously), | |
2939 | // but because we want their pg_info to inform choose_acting(), and | |
2940 | // so that we know what they do/do not have explicitly before | |
2941 | // sending them any new info/logs/whatever. | |
2942 | for (unsigned i = 0; i < acting.size(); i++) { | |
2943 | if (acting[i] != 0x7fffffff /* CRUSH_ITEM_NONE, can't import crush.h here */) | |
2944 | probe.insert(pg_shard_t(acting[i], ec_pool ? shard_id_t(i) : shard_id_t::NO_SHARD)); | |
2945 | } | |
2946 | // It may be possible to exclude the up nodes, but let's keep them in | |
2947 | // there for now. | |
2948 | for (unsigned i = 0; i < up.size(); i++) { | |
2949 | if (up[i] != 0x7fffffff /* CRUSH_ITEM_NONE, can't import crush.h here */) | |
2950 | probe.insert(pg_shard_t(up[i], ec_pool ? shard_id_t(i) : shard_id_t::NO_SHARD)); | |
2951 | } | |
2952 | ||
2953 | set<pg_shard_t> all_probe = past_intervals.get_all_probe(ec_pool); | |
2954 | ldpp_dout(dpp, 10) << "build_prior all_probe " << all_probe << dendl; | |
2955 | for (auto &&i: all_probe) { | |
2956 | switch (f(0, i.osd, nullptr)) { | |
2957 | case UP: { | |
2958 | probe.insert(i); | |
2959 | break; | |
2960 | } | |
2961 | case DNE: | |
2962 | case LOST: | |
2963 | case DOWN: { | |
2964 | down.insert(i.osd); | |
2965 | break; | |
2966 | } | |
2967 | } | |
2968 | } | |
2969 | ||
2970 | past_intervals.iterate_mayberw_back_to( | |
2971 | ec_pool, | |
2972 | last_epoch_started, | |
2973 | [&](epoch_t start, const set<pg_shard_t> &acting) { | |
2974 | ldpp_dout(dpp, 10) << "build_prior maybe_rw interval:" << start | |
2975 | << ", acting: " << acting << dendl; | |
2976 | ||
2977 | // look at candidate osds during this interval. each falls into | |
2978 | // one of three categories: up, down (but potentially | |
2979 | // interesting), or lost (down, but we won't wait for it). | |
2980 | set<pg_shard_t> up_now; | |
2981 | map<int, epoch_t> candidate_blocked_by; | |
2982 | // any candidates down now (that might have useful data) | |
2983 | bool any_down_now = false; | |
2984 | ||
2985 | // consider ACTING osds | |
2986 | for (auto &&so: acting) { | |
2987 | epoch_t lost_at = 0; | |
2988 | switch (f(start, so.osd, &lost_at)) { | |
2989 | case UP: { | |
2990 | // include past acting osds if they are up. | |
2991 | up_now.insert(so); | |
2992 | break; | |
2993 | } | |
2994 | case DNE: { | |
2995 | ldpp_dout(dpp, 10) << "build_prior prior osd." << so.osd | |
2996 | << " no longer exists" << dendl; | |
2997 | break; | |
2998 | } | |
2999 | case LOST: { | |
3000 | ldpp_dout(dpp, 10) << "build_prior prior osd." << so.osd | |
3001 | << " is down, but lost_at " << lost_at << dendl; | |
3002 | up_now.insert(so); | |
3003 | break; | |
3004 | } | |
3005 | case DOWN: { | |
3006 | ldpp_dout(dpp, 10) << "build_prior prior osd." << so.osd | |
3007 | << " is down" << dendl; | |
3008 | candidate_blocked_by[so.osd] = lost_at; | |
3009 | any_down_now = true; | |
3010 | break; | |
3011 | } | |
3012 | } | |
3013 | } | |
3014 | ||
3015 | // if not enough osds survived this interval, and we may have gone rw, | |
3016 | // then we need to wait for one of those osds to recover to | |
3017 | // ensure that we haven't lost any information. | |
3018 | if (!(*pcontdec)(up_now) && any_down_now) { | |
3019 | // fixme: how do we identify a "clean" shutdown anyway? | |
3020 | ldpp_dout(dpp, 10) << "build_prior possibly went active+rw," | |
3021 | << " insufficient up; including down osds" << dendl; | |
3022 | assert(!candidate_blocked_by.empty()); | |
3023 | pg_down = true; | |
3024 | blocked_by.insert( | |
3025 | candidate_blocked_by.begin(), | |
3026 | candidate_blocked_by.end()); | |
3027 | } | |
3028 | }); | |
3029 | ||
3030 | ldpp_dout(dpp, 10) << "build_prior final: probe " << probe | |
3031 | << " down " << down | |
3032 | << " blocked_by " << blocked_by | |
3033 | << (pg_down ? " pg_down":"") | |
3034 | << dendl; | |
3035 | } | |
3036 | ||
3037 | /** | |
3038 | * pg_query_t - used to ask a peer for information about a pg. | |
3039 | * | |
3040 | * note: if version=0, type=LOG, then we just provide our full log. | |
3041 | */ | |
3042 | struct pg_query_t { | |
3043 | enum { | |
3044 | INFO = 0, | |
3045 | LOG = 1, | |
3046 | MISSING = 4, | |
3047 | FULLLOG = 5, | |
3048 | }; | |
3049 | const char *get_type_name() const { | |
3050 | switch (type) { | |
3051 | case INFO: return "info"; | |
3052 | case LOG: return "log"; | |
3053 | case MISSING: return "missing"; | |
3054 | case FULLLOG: return "fulllog"; | |
3055 | default: return "???"; | |
3056 | } | |
3057 | } | |
3058 | ||
3059 | __s32 type; | |
3060 | eversion_t since; | |
3061 | pg_history_t history; | |
3062 | epoch_t epoch_sent; | |
3063 | shard_id_t to; | |
3064 | shard_id_t from; | |
3065 | ||
3066 | pg_query_t() : type(-1), epoch_sent(0), to(shard_id_t::NO_SHARD), | |
3067 | from(shard_id_t::NO_SHARD) {} | |
3068 | pg_query_t( | |
3069 | int t, | |
3070 | shard_id_t to, | |
3071 | shard_id_t from, | |
3072 | const pg_history_t& h, | |
3073 | epoch_t epoch_sent) | |
3074 | : type(t), | |
3075 | history(h), | |
3076 | epoch_sent(epoch_sent), | |
3077 | to(to), from(from) { | |
3078 | assert(t != LOG); | |
3079 | } | |
3080 | pg_query_t( | |
3081 | int t, | |
3082 | shard_id_t to, | |
3083 | shard_id_t from, | |
3084 | eversion_t s, | |
3085 | const pg_history_t& h, | |
3086 | epoch_t epoch_sent) | |
3087 | : type(t), since(s), history(h), | |
3088 | epoch_sent(epoch_sent), to(to), from(from) { | |
3089 | assert(t == LOG); | |
3090 | } | |
3091 | ||
3092 | void encode(bufferlist &bl, uint64_t features) const; | |
3093 | void decode(bufferlist::iterator &bl); | |
3094 | ||
3095 | void dump(Formatter *f) const; | |
3096 | static void generate_test_instances(list<pg_query_t*>& o); | |
3097 | }; | |
3098 | WRITE_CLASS_ENCODER_FEATURES(pg_query_t) | |
3099 | ||
3100 | inline ostream& operator<<(ostream& out, const pg_query_t& q) { | |
3101 | out << "query(" << q.get_type_name() << " " << q.since; | |
3102 | if (q.type == pg_query_t::LOG) | |
3103 | out << " " << q.history; | |
3104 | out << ")"; | |
3105 | return out; | |
3106 | } | |
3107 | ||
3108 | class PGBackend; | |
3109 | class ObjectModDesc { | |
3110 | bool can_local_rollback; | |
3111 | bool rollback_info_completed; | |
3112 | ||
3113 | // version required to decode, reflected in encode/decode version | |
3114 | __u8 max_required_version = 1; | |
3115 | public: | |
3116 | class Visitor { | |
3117 | public: | |
3118 | virtual void append(uint64_t old_offset) {} | |
3119 | virtual void setattrs(map<string, boost::optional<bufferlist> > &attrs) {} | |
3120 | virtual void rmobject(version_t old_version) {} | |
3121 | /** | |
3122 | * Used to support the unfound_lost_delete log event: if the stashed | |
3123 | * version exists, we unstash it, otherwise, we do nothing. This way | |
3124 | * each replica rolls back to whatever state it had prior to the attempt | |
3125 | * at mark unfound lost delete | |
3126 | */ | |
3127 | virtual void try_rmobject(version_t old_version) { | |
3128 | rmobject(old_version); | |
3129 | } | |
3130 | virtual void create() {} | |
3131 | virtual void update_snaps(const set<snapid_t> &old_snaps) {} | |
3132 | virtual void rollback_extents( | |
3133 | version_t gen, | |
3134 | const vector<pair<uint64_t, uint64_t> > &extents) {} | |
3135 | virtual ~Visitor() {} | |
3136 | }; | |
3137 | void visit(Visitor *visitor) const; | |
3138 | mutable bufferlist bl; | |
3139 | enum ModID { | |
3140 | APPEND = 1, | |
3141 | SETATTRS = 2, | |
3142 | DELETE = 3, | |
3143 | CREATE = 4, | |
3144 | UPDATE_SNAPS = 5, | |
3145 | TRY_DELETE = 6, | |
3146 | ROLLBACK_EXTENTS = 7 | |
3147 | }; | |
3148 | ObjectModDesc() : can_local_rollback(true), rollback_info_completed(false) { | |
3149 | bl.reassign_to_mempool(mempool::mempool_osd_pglog); | |
3150 | } | |
3151 | void claim(ObjectModDesc &other) { | |
3152 | bl.clear(); | |
3153 | bl.claim(other.bl); | |
3154 | can_local_rollback = other.can_local_rollback; | |
3155 | rollback_info_completed = other.rollback_info_completed; | |
3156 | } | |
3157 | void claim_append(ObjectModDesc &other) { | |
3158 | if (!can_local_rollback || rollback_info_completed) | |
3159 | return; | |
3160 | if (!other.can_local_rollback) { | |
3161 | mark_unrollbackable(); | |
3162 | return; | |
3163 | } | |
3164 | bl.claim_append(other.bl); | |
3165 | rollback_info_completed = other.rollback_info_completed; | |
3166 | } | |
3167 | void swap(ObjectModDesc &other) { | |
3168 | bl.swap(other.bl); | |
3169 | ||
3170 | using std::swap; | |
3171 | swap(other.can_local_rollback, can_local_rollback); | |
3172 | swap(other.rollback_info_completed, rollback_info_completed); | |
3173 | swap(other.max_required_version, max_required_version); | |
3174 | } | |
3175 | void append_id(ModID id) { | |
3176 | uint8_t _id(id); | |
3177 | ::encode(_id, bl); | |
3178 | } | |
3179 | void append(uint64_t old_size) { | |
3180 | if (!can_local_rollback || rollback_info_completed) | |
3181 | return; | |
3182 | ENCODE_START(1, 1, bl); | |
3183 | append_id(APPEND); | |
3184 | ::encode(old_size, bl); | |
3185 | ENCODE_FINISH(bl); | |
3186 | } | |
3187 | void setattrs(map<string, boost::optional<bufferlist> > &old_attrs) { | |
3188 | if (!can_local_rollback || rollback_info_completed) | |
3189 | return; | |
3190 | ENCODE_START(1, 1, bl); | |
3191 | append_id(SETATTRS); | |
3192 | ::encode(old_attrs, bl); | |
3193 | ENCODE_FINISH(bl); | |
3194 | } | |
3195 | bool rmobject(version_t deletion_version) { | |
3196 | if (!can_local_rollback || rollback_info_completed) | |
3197 | return false; | |
3198 | ENCODE_START(1, 1, bl); | |
3199 | append_id(DELETE); | |
3200 | ::encode(deletion_version, bl); | |
3201 | ENCODE_FINISH(bl); | |
3202 | rollback_info_completed = true; | |
3203 | return true; | |
3204 | } | |
3205 | bool try_rmobject(version_t deletion_version) { | |
3206 | if (!can_local_rollback || rollback_info_completed) | |
3207 | return false; | |
3208 | ENCODE_START(1, 1, bl); | |
3209 | append_id(TRY_DELETE); | |
3210 | ::encode(deletion_version, bl); | |
3211 | ENCODE_FINISH(bl); | |
3212 | rollback_info_completed = true; | |
3213 | return true; | |
3214 | } | |
3215 | void create() { | |
3216 | if (!can_local_rollback || rollback_info_completed) | |
3217 | return; | |
3218 | rollback_info_completed = true; | |
3219 | ENCODE_START(1, 1, bl); | |
3220 | append_id(CREATE); | |
3221 | ENCODE_FINISH(bl); | |
3222 | } | |
3223 | void update_snaps(const set<snapid_t> &old_snaps) { | |
3224 | if (!can_local_rollback || rollback_info_completed) | |
3225 | return; | |
3226 | ENCODE_START(1, 1, bl); | |
3227 | append_id(UPDATE_SNAPS); | |
3228 | ::encode(old_snaps, bl); | |
3229 | ENCODE_FINISH(bl); | |
3230 | } | |
3231 | void rollback_extents( | |
3232 | version_t gen, const vector<pair<uint64_t, uint64_t> > &extents) { | |
3233 | assert(can_local_rollback); | |
3234 | assert(!rollback_info_completed); | |
3235 | if (max_required_version < 2) | |
3236 | max_required_version = 2; | |
3237 | ENCODE_START(2, 2, bl); | |
3238 | append_id(ROLLBACK_EXTENTS); | |
3239 | ::encode(gen, bl); | |
3240 | ::encode(extents, bl); | |
3241 | ENCODE_FINISH(bl); | |
3242 | } | |
3243 | ||
3244 | // cannot be rolled back | |
3245 | void mark_unrollbackable() { | |
3246 | can_local_rollback = false; | |
3247 | bl.clear(); | |
3248 | } | |
3249 | bool can_rollback() const { | |
3250 | return can_local_rollback; | |
3251 | } | |
3252 | bool empty() const { | |
3253 | return can_local_rollback && (bl.length() == 0); | |
3254 | } | |
3255 | ||
3256 | bool requires_kraken() const { | |
3257 | return max_required_version >= 2; | |
3258 | } | |
3259 | ||
3260 | /** | |
3261 | * Create fresh copy of bl bytes to avoid keeping large buffers around | |
3262 | * in the case that bl contains ptrs which point into a much larger | |
3263 | * message buffer | |
3264 | */ | |
3265 | void trim_bl() const { | |
3266 | if (bl.length() > 0) | |
3267 | bl.rebuild(); | |
3268 | } | |
3269 | void encode(bufferlist &bl) const; | |
3270 | void decode(bufferlist::iterator &bl); | |
3271 | void dump(Formatter *f) const; | |
3272 | static void generate_test_instances(list<ObjectModDesc*>& o); | |
3273 | }; | |
3274 | WRITE_CLASS_ENCODER(ObjectModDesc) | |
3275 | ||
3276 | ||
3277 | /** | |
3278 | * pg_log_entry_t - single entry/event in pg log | |
3279 | * | |
3280 | */ | |
3281 | struct pg_log_entry_t { | |
3282 | enum { | |
3283 | MODIFY = 1, // some unspecified modification (but not *all* modifications) | |
3284 | CLONE = 2, // cloned object from head | |
3285 | DELETE = 3, // deleted object | |
3286 | BACKLOG = 4, // event invented by generate_backlog [deprecated] | |
3287 | LOST_REVERT = 5, // lost new version, revert to an older version. | |
3288 | LOST_DELETE = 6, // lost new version, revert to no object (deleted). | |
3289 | LOST_MARK = 7, // lost new version, now EIO | |
3290 | PROMOTE = 8, // promoted object from another tier | |
3291 | CLEAN = 9, // mark an object clean | |
3292 | ERROR = 10, // write that returned an error | |
3293 | }; | |
3294 | static const char *get_op_name(int op) { | |
3295 | switch (op) { | |
3296 | case MODIFY: | |
3297 | return "modify"; | |
3298 | case PROMOTE: | |
3299 | return "promote"; | |
3300 | case CLONE: | |
3301 | return "clone"; | |
3302 | case DELETE: | |
3303 | return "delete"; | |
3304 | case BACKLOG: | |
3305 | return "backlog"; | |
3306 | case LOST_REVERT: | |
3307 | return "l_revert"; | |
3308 | case LOST_DELETE: | |
3309 | return "l_delete"; | |
3310 | case LOST_MARK: | |
3311 | return "l_mark"; | |
3312 | case CLEAN: | |
3313 | return "clean"; | |
3314 | case ERROR: | |
3315 | return "error"; | |
3316 | default: | |
3317 | return "unknown"; | |
3318 | } | |
3319 | } | |
3320 | const char *get_op_name() const { | |
3321 | return get_op_name(op); | |
3322 | } | |
3323 | ||
3324 | // describes state for a locally-rollbackable entry | |
3325 | ObjectModDesc mod_desc; | |
3326 | bufferlist snaps; // only for clone entries | |
3327 | hobject_t soid; | |
3328 | osd_reqid_t reqid; // caller+tid to uniquely identify request | |
3329 | mempool::osd_pglog::vector<pair<osd_reqid_t, version_t> > extra_reqids; | |
3330 | eversion_t version, prior_version, reverting_to; | |
3331 | version_t user_version; // the user version for this entry | |
3332 | utime_t mtime; // this is the _user_ mtime, mind you | |
3333 | int32_t return_code; // only stored for ERRORs for dup detection | |
3334 | ||
3335 | __s32 op; | |
3336 | bool invalid_hash; // only when decoding sobject_t based entries | |
3337 | bool invalid_pool; // only when decoding pool-less hobject based entries | |
3338 | ||
3339 | pg_log_entry_t() | |
3340 | : user_version(0), return_code(0), op(0), | |
3341 | invalid_hash(false), invalid_pool(false) { | |
3342 | snaps.reassign_to_mempool(mempool::mempool_osd_pglog); | |
3343 | } | |
3344 | pg_log_entry_t(int _op, const hobject_t& _soid, | |
3345 | const eversion_t& v, const eversion_t& pv, | |
3346 | version_t uv, | |
3347 | const osd_reqid_t& rid, const utime_t& mt, | |
3348 | int return_code) | |
3349 | : soid(_soid), reqid(rid), version(v), prior_version(pv), user_version(uv), | |
3350 | mtime(mt), return_code(return_code), op(_op), | |
3351 | invalid_hash(false), invalid_pool(false) { | |
3352 | snaps.reassign_to_mempool(mempool::mempool_osd_pglog); | |
3353 | } | |
3354 | ||
3355 | bool is_clone() const { return op == CLONE; } | |
3356 | bool is_modify() const { return op == MODIFY; } | |
3357 | bool is_promote() const { return op == PROMOTE; } | |
3358 | bool is_clean() const { return op == CLEAN; } | |
3359 | bool is_backlog() const { return op == BACKLOG; } | |
3360 | bool is_lost_revert() const { return op == LOST_REVERT; } | |
3361 | bool is_lost_delete() const { return op == LOST_DELETE; } | |
3362 | bool is_lost_mark() const { return op == LOST_MARK; } | |
3363 | bool is_error() const { return op == ERROR; } | |
3364 | ||
3365 | bool is_update() const { | |
3366 | return | |
3367 | is_clone() || is_modify() || is_promote() || is_clean() || | |
3368 | is_backlog() || is_lost_revert() || is_lost_mark(); | |
3369 | } | |
3370 | bool is_delete() const { | |
3371 | return op == DELETE || op == LOST_DELETE; | |
3372 | } | |
3373 | ||
3374 | bool can_rollback() const { | |
3375 | return mod_desc.can_rollback(); | |
3376 | } | |
3377 | ||
3378 | void mark_unrollbackable() { | |
3379 | mod_desc.mark_unrollbackable(); | |
3380 | } | |
3381 | ||
3382 | bool requires_kraken() const { | |
3383 | return mod_desc.requires_kraken(); | |
3384 | } | |
3385 | ||
3386 | // Errors are only used for dup detection, whereas | |
3387 | // the index by objects is used by recovery, copy_get, | |
3388 | // and other facilities that don't expect or need to | |
3389 | // be aware of error entries. | |
3390 | bool object_is_indexed() const { | |
3391 | return !is_error(); | |
3392 | } | |
3393 | ||
3394 | bool reqid_is_indexed() const { | |
3395 | return reqid != osd_reqid_t() && | |
3396 | (op == MODIFY || op == DELETE || op == ERROR); | |
3397 | } | |
3398 | ||
3399 | string get_key_name() const; | |
3400 | void encode_with_checksum(bufferlist& bl) const; | |
3401 | void decode_with_checksum(bufferlist::iterator& p); | |
3402 | ||
3403 | void encode(bufferlist &bl) const; | |
3404 | void decode(bufferlist::iterator &bl); | |
3405 | void dump(Formatter *f) const; | |
3406 | static void generate_test_instances(list<pg_log_entry_t*>& o); | |
3407 | ||
3408 | }; | |
3409 | WRITE_CLASS_ENCODER(pg_log_entry_t) | |
3410 | ||
3411 | ostream& operator<<(ostream& out, const pg_log_entry_t& e); | |
3412 | ||
3413 | struct pg_log_dup_t { | |
3414 | osd_reqid_t reqid; // caller+tid to uniquely identify request | |
3415 | eversion_t version; | |
3416 | version_t user_version; // the user version for this entry | |
3417 | int32_t return_code; // only stored for ERRORs for dup detection | |
3418 | ||
3419 | pg_log_dup_t() | |
3420 | : user_version(0), return_code(0) | |
3421 | {} | |
3422 | explicit pg_log_dup_t(const pg_log_entry_t& entry) | |
3423 | : reqid(entry.reqid), version(entry.version), | |
3424 | user_version(entry.user_version), return_code(entry.return_code) | |
3425 | {} | |
3426 | pg_log_dup_t(const eversion_t& v, version_t uv, | |
3427 | const osd_reqid_t& rid, int return_code) | |
3428 | : reqid(rid), version(v), user_version(uv), | |
3429 | return_code(return_code) | |
3430 | {} | |
3431 | ||
3432 | string get_key_name() const; | |
3433 | void encode(bufferlist &bl) const; | |
3434 | void decode(bufferlist::iterator &bl); | |
3435 | void dump(Formatter *f) const; | |
3436 | static void generate_test_instances(list<pg_log_dup_t*>& o); | |
3437 | ||
3438 | friend std::ostream& operator<<(std::ostream& out, const pg_log_dup_t& e); | |
3439 | }; | |
3440 | WRITE_CLASS_ENCODER(pg_log_dup_t) | |
3441 | ||
3442 | std::ostream& operator<<(std::ostream& out, const pg_log_dup_t& e); | |
3443 | ||
3444 | /** | |
3445 | * pg_log_t - incremental log of recent pg changes. | |
3446 | * | |
3447 | * serves as a recovery queue for recent changes. | |
3448 | */ | |
3449 | struct pg_log_t { | |
3450 | /* | |
3451 | * head - newest entry (update|delete) | |
3452 | * tail - entry previous to oldest (update|delete) for which we have | |
3453 | * complete negative information. | |
3454 | * i.e. we can infer pg contents for any store whose last_update >= tail. | |
3455 | */ | |
3456 | eversion_t head; // newest entry | |
3457 | eversion_t tail; // version prior to oldest | |
3458 | ||
3459 | protected: | |
3460 | // We can rollback rollback-able entries > can_rollback_to | |
3461 | eversion_t can_rollback_to; | |
3462 | ||
3463 | // always <= can_rollback_to, indicates how far stashed rollback | |
3464 | // data can be found | |
3465 | eversion_t rollback_info_trimmed_to; | |
3466 | ||
3467 | public: | |
3468 | // the actual log | |
3469 | mempool::osd_pglog::list<pg_log_entry_t> log; | |
3470 | ||
3471 | // entries just for dup op detection ordered oldest to newest | |
3472 | mempool::osd_pglog::list<pg_log_dup_t> dups; | |
3473 | ||
3474 | pg_log_t() = default; | |
3475 | pg_log_t(const eversion_t &last_update, | |
3476 | const eversion_t &log_tail, | |
3477 | const eversion_t &can_rollback_to, | |
3478 | const eversion_t &rollback_info_trimmed_to, | |
3479 | mempool::osd_pglog::list<pg_log_entry_t> &&entries, | |
3480 | mempool::osd_pglog::list<pg_log_dup_t> &&dup_entries) | |
3481 | : head(last_update), tail(log_tail), can_rollback_to(can_rollback_to), | |
3482 | rollback_info_trimmed_to(rollback_info_trimmed_to), | |
3483 | log(std::move(entries)), dups(std::move(dup_entries)) {} | |
3484 | pg_log_t(const eversion_t &last_update, | |
3485 | const eversion_t &log_tail, | |
3486 | const eversion_t &can_rollback_to, | |
3487 | const eversion_t &rollback_info_trimmed_to, | |
3488 | const std::list<pg_log_entry_t> &entries, | |
3489 | const std::list<pg_log_dup_t> &dup_entries) | |
3490 | : head(last_update), tail(log_tail), can_rollback_to(can_rollback_to), | |
3491 | rollback_info_trimmed_to(rollback_info_trimmed_to) { | |
3492 | for (auto &&entry: entries) { | |
3493 | log.push_back(entry); | |
3494 | } | |
3495 | for (auto &&entry: dup_entries) { | |
3496 | dups.push_back(entry); | |
3497 | } | |
3498 | } | |
3499 | ||
3500 | void clear() { | |
3501 | eversion_t z; | |
3502 | rollback_info_trimmed_to = can_rollback_to = head = tail = z; | |
3503 | log.clear(); | |
3504 | dups.clear(); | |
3505 | } | |
3506 | ||
3507 | eversion_t get_rollback_info_trimmed_to() const { | |
3508 | return rollback_info_trimmed_to; | |
3509 | } | |
3510 | eversion_t get_can_rollback_to() const { | |
3511 | return can_rollback_to; | |
3512 | } | |
3513 | ||
3514 | ||
3515 | pg_log_t split_out_child(pg_t child_pgid, unsigned split_bits) { | |
3516 | mempool::osd_pglog::list<pg_log_entry_t> oldlog, childlog; | |
3517 | oldlog.swap(log); | |
3518 | ||
3519 | eversion_t old_tail; | |
3520 | unsigned mask = ~((~0)<<split_bits); | |
3521 | for (auto i = oldlog.begin(); | |
3522 | i != oldlog.end(); | |
3523 | ) { | |
3524 | if ((i->soid.get_hash() & mask) == child_pgid.m_seed) { | |
3525 | childlog.push_back(*i); | |
3526 | } else { | |
3527 | log.push_back(*i); | |
3528 | } | |
3529 | oldlog.erase(i++); | |
3530 | } | |
3531 | ||
3532 | // osd_reqid is unique, so it doesn't matter if there are extra | |
3533 | // dup entries in each pg. To avoid storing oid with the dup | |
3534 | // entries, just copy the whole list. | |
3535 | auto childdups(dups); | |
3536 | ||
3537 | return pg_log_t( | |
3538 | head, | |
3539 | tail, | |
3540 | can_rollback_to, | |
3541 | rollback_info_trimmed_to, | |
3542 | std::move(childlog), | |
3543 | std::move(childdups)); | |
3544 | } | |
3545 | ||
3546 | mempool::osd_pglog::list<pg_log_entry_t> rewind_from_head(eversion_t newhead) { | |
3547 | assert(newhead >= tail); | |
3548 | ||
3549 | mempool::osd_pglog::list<pg_log_entry_t>::iterator p = log.end(); | |
3550 | mempool::osd_pglog::list<pg_log_entry_t> divergent; | |
3551 | while (true) { | |
3552 | if (p == log.begin()) { | |
3553 | // yikes, the whole thing is divergent! | |
3554 | using std::swap; | |
3555 | swap(divergent, log); | |
3556 | break; | |
3557 | } | |
3558 | --p; | |
3559 | if (p->version.version <= newhead.version) { | |
3560 | /* | |
3561 | * look at eversion.version here. we want to avoid a situation like: | |
3562 | * our log: 100'10 (0'0) m 10000004d3a.00000000/head by client4225.1:18529 | |
3563 | * new log: 122'10 (0'0) m 10000004d3a.00000000/head by client4225.1:18529 | |
3564 | * lower_bound = 100'9 | |
3565 | * i.e, same request, different version. If the eversion.version is > the | |
3566 | * lower_bound, we it is divergent. | |
3567 | */ | |
3568 | ++p; | |
3569 | divergent.splice(divergent.begin(), log, p, log.end()); | |
3570 | break; | |
3571 | } | |
3572 | assert(p->version > newhead); | |
3573 | } | |
3574 | head = newhead; | |
3575 | ||
3576 | if (can_rollback_to > newhead) | |
3577 | can_rollback_to = newhead; | |
3578 | ||
3579 | if (rollback_info_trimmed_to > newhead) | |
3580 | rollback_info_trimmed_to = newhead; | |
3581 | ||
3582 | return divergent; | |
3583 | } | |
3584 | ||
3585 | bool empty() const { | |
3586 | return log.empty(); | |
3587 | } | |
3588 | ||
3589 | bool null() const { | |
3590 | return head.version == 0 && head.epoch == 0; | |
3591 | } | |
3592 | ||
3593 | size_t approx_size() const { | |
3594 | return head.version - tail.version; | |
3595 | } | |
3596 | ||
3597 | static void filter_log(spg_t import_pgid, const OSDMap &curmap, | |
3598 | const string &hit_set_namespace, const pg_log_t &in, | |
3599 | pg_log_t &out, pg_log_t &reject); | |
3600 | ||
3601 | /** | |
3602 | * copy entries from the tail of another pg_log_t | |
3603 | * | |
3604 | * @param other pg_log_t to copy from | |
3605 | * @param from copy entries after this version | |
3606 | */ | |
3607 | void copy_after(const pg_log_t &other, eversion_t from); | |
3608 | ||
3609 | /** | |
3610 | * copy a range of entries from another pg_log_t | |
3611 | * | |
3612 | * @param other pg_log_t to copy from | |
3613 | * @param from copy entries after this version | |
3614 | * @param to up to and including this version | |
3615 | */ | |
3616 | void copy_range(const pg_log_t &other, eversion_t from, eversion_t to); | |
3617 | ||
3618 | /** | |
3619 | * copy up to N entries | |
3620 | * | |
3621 | * @param other source log | |
3622 | * @param max max number of entries to copy | |
3623 | */ | |
3624 | void copy_up_to(const pg_log_t &other, int max); | |
3625 | ||
3626 | ostream& print(ostream& out) const; | |
3627 | ||
3628 | void encode(bufferlist &bl) const; | |
3629 | void decode(bufferlist::iterator &bl, int64_t pool = -1); | |
3630 | void dump(Formatter *f) const; | |
3631 | static void generate_test_instances(list<pg_log_t*>& o); | |
3632 | }; | |
3633 | WRITE_CLASS_ENCODER(pg_log_t) | |
3634 | ||
3635 | inline ostream& operator<<(ostream& out, const pg_log_t& log) | |
3636 | { | |
3637 | out << "log((" << log.tail << "," << log.head << "], crt=" | |
3638 | << log.get_can_rollback_to() << ")"; | |
3639 | return out; | |
3640 | } | |
3641 | ||
3642 | ||
3643 | /** | |
3644 | * pg_missing_t - summary of missing objects. | |
3645 | * | |
3646 | * kept in memory, as a supplement to pg_log_t | |
3647 | * also used to pass missing info in messages. | |
3648 | */ | |
3649 | struct pg_missing_item { | |
3650 | eversion_t need, have; | |
3651 | enum missing_flags_t { | |
3652 | FLAG_NONE = 0, | |
3653 | FLAG_DELETE = 1, | |
3654 | } flags; | |
3655 | pg_missing_item() : flags(FLAG_NONE) {} | |
3656 | explicit pg_missing_item(eversion_t n) : need(n), flags(FLAG_NONE) {} // have no old version | |
3657 | pg_missing_item(eversion_t n, eversion_t h, bool is_delete=false) : need(n), have(h) { | |
3658 | set_delete(is_delete); | |
3659 | } | |
3660 | ||
3661 | void encode(bufferlist& bl, uint64_t features) const { | |
3662 | if (HAVE_FEATURE(features, OSD_RECOVERY_DELETES)) { | |
3663 | // encoding a zeroed eversion_t to differentiate between this and | |
3664 | // legacy unversioned encoding - a need value of 0'0 is not | |
3665 | // possible. This can be replaced with the legacy encoding | |
3666 | // macros post-luminous. | |
3667 | eversion_t e; | |
3668 | ::encode(e, bl); | |
3669 | ::encode(need, bl); | |
3670 | ::encode(have, bl); | |
3671 | ::encode(static_cast<uint8_t>(flags), bl); | |
3672 | } else { | |
3673 | // legacy unversioned encoding | |
3674 | ::encode(need, bl); | |
3675 | ::encode(have, bl); | |
3676 | } | |
3677 | } | |
3678 | void decode(bufferlist::iterator& bl) { | |
3679 | eversion_t e; | |
3680 | ::decode(e, bl); | |
3681 | if (e != eversion_t()) { | |
3682 | // legacy encoding, this is the need value | |
3683 | need = e; | |
3684 | ::decode(have, bl); | |
3685 | } else { | |
3686 | ::decode(need, bl); | |
3687 | ::decode(have, bl); | |
3688 | uint8_t f; | |
3689 | ::decode(f, bl); | |
3690 | flags = static_cast<missing_flags_t>(f); | |
3691 | } | |
3692 | } | |
3693 | ||
3694 | void set_delete(bool is_delete) { | |
3695 | flags = is_delete ? FLAG_DELETE : FLAG_NONE; | |
3696 | } | |
3697 | ||
3698 | bool is_delete() const { | |
3699 | return (flags & FLAG_DELETE) == FLAG_DELETE; | |
3700 | } | |
3701 | ||
3702 | string flag_str() const { | |
3703 | if (flags == FLAG_NONE) { | |
3704 | return "none"; | |
3705 | } else { | |
3706 | return "delete"; | |
3707 | } | |
3708 | } | |
3709 | ||
3710 | void dump(Formatter *f) const { | |
3711 | f->dump_stream("need") << need; | |
3712 | f->dump_stream("have") << have; | |
3713 | f->dump_stream("flags") << flag_str(); | |
3714 | } | |
3715 | static void generate_test_instances(list<pg_missing_item*>& o) { | |
3716 | o.push_back(new pg_missing_item); | |
3717 | o.push_back(new pg_missing_item); | |
3718 | o.back()->need = eversion_t(1, 2); | |
3719 | o.back()->have = eversion_t(1, 1); | |
3720 | o.push_back(new pg_missing_item); | |
3721 | o.back()->need = eversion_t(3, 5); | |
3722 | o.back()->have = eversion_t(3, 4); | |
3723 | o.back()->flags = FLAG_DELETE; | |
3724 | } | |
3725 | bool operator==(const pg_missing_item &rhs) const { | |
3726 | return need == rhs.need && have == rhs.have && flags == rhs.flags; | |
3727 | } | |
3728 | bool operator!=(const pg_missing_item &rhs) const { | |
3729 | return !(*this == rhs); | |
3730 | } | |
3731 | }; | |
3732 | WRITE_CLASS_ENCODER_FEATURES(pg_missing_item) | |
3733 | ostream& operator<<(ostream& out, const pg_missing_item &item); | |
3734 | ||
3735 | class pg_missing_const_i { | |
3736 | public: | |
3737 | virtual const map<hobject_t, pg_missing_item> & | |
3738 | get_items() const = 0; | |
3739 | virtual const map<version_t, hobject_t> &get_rmissing() const = 0; | |
3740 | virtual bool get_may_include_deletes() const = 0; | |
3741 | virtual unsigned int num_missing() const = 0; | |
3742 | virtual bool have_missing() const = 0; | |
3743 | virtual bool is_missing(const hobject_t& oid, pg_missing_item *out = nullptr) const = 0; | |
3744 | virtual bool is_missing(const hobject_t& oid, eversion_t v) const = 0; | |
3745 | virtual eversion_t have_old(const hobject_t& oid) const = 0; | |
3746 | virtual ~pg_missing_const_i() {} | |
3747 | }; | |
3748 | ||
3749 | ||
3750 | template <bool Track> | |
3751 | class ChangeTracker { | |
3752 | public: | |
3753 | void changed(const hobject_t &obj) {} | |
3754 | template <typename F> | |
3755 | void get_changed(F &&f) const {} | |
3756 | void flush() {} | |
3757 | bool is_clean() const { | |
3758 | return true; | |
3759 | } | |
3760 | }; | |
3761 | template <> | |
3762 | class ChangeTracker<true> { | |
3763 | set<hobject_t> _changed; | |
3764 | public: | |
3765 | void changed(const hobject_t &obj) { | |
3766 | _changed.insert(obj); | |
3767 | } | |
3768 | template <typename F> | |
3769 | void get_changed(F &&f) const { | |
3770 | for (auto const &i: _changed) { | |
3771 | f(i); | |
3772 | } | |
3773 | } | |
3774 | void flush() { | |
3775 | _changed.clear(); | |
3776 | } | |
3777 | bool is_clean() const { | |
3778 | return _changed.empty(); | |
3779 | } | |
3780 | }; | |
3781 | ||
3782 | template <bool TrackChanges> | |
3783 | class pg_missing_set : public pg_missing_const_i { | |
3784 | using item = pg_missing_item; | |
3785 | map<hobject_t, item> missing; // oid -> (need v, have v) | |
3786 | map<version_t, hobject_t> rmissing; // v -> oid | |
3787 | ChangeTracker<TrackChanges> tracker; | |
3788 | ||
3789 | public: | |
3790 | pg_missing_set() = default; | |
3791 | ||
3792 | template <typename missing_type> | |
3793 | pg_missing_set(const missing_type &m) { | |
3794 | missing = m.get_items(); | |
3795 | rmissing = m.get_rmissing(); | |
3796 | may_include_deletes = m.get_may_include_deletes(); | |
3797 | for (auto &&i: missing) | |
3798 | tracker.changed(i.first); | |
3799 | } | |
3800 | ||
3801 | bool may_include_deletes = false; | |
3802 | ||
3803 | const map<hobject_t, item> &get_items() const override { | |
3804 | return missing; | |
3805 | } | |
3806 | const map<version_t, hobject_t> &get_rmissing() const override { | |
3807 | return rmissing; | |
3808 | } | |
3809 | bool get_may_include_deletes() const override { | |
3810 | return may_include_deletes; | |
3811 | } | |
3812 | unsigned int num_missing() const override { | |
3813 | return missing.size(); | |
3814 | } | |
3815 | bool have_missing() const override { | |
3816 | return !missing.empty(); | |
3817 | } | |
3818 | bool is_missing(const hobject_t& oid, pg_missing_item *out = nullptr) const override { | |
3819 | auto iter = missing.find(oid); | |
3820 | if (iter == missing.end()) | |
3821 | return false; | |
3822 | if (out) | |
3823 | *out = iter->second; | |
3824 | return true; | |
3825 | } | |
3826 | bool is_missing(const hobject_t& oid, eversion_t v) const override { | |
3827 | map<hobject_t, item>::const_iterator m = | |
3828 | missing.find(oid); | |
3829 | if (m == missing.end()) | |
3830 | return false; | |
3831 | const item &item(m->second); | |
3832 | if (item.need > v) | |
3833 | return false; | |
3834 | return true; | |
3835 | } | |
3836 | eversion_t have_old(const hobject_t& oid) const override { | |
3837 | map<hobject_t, item>::const_iterator m = | |
3838 | missing.find(oid); | |
3839 | if (m == missing.end()) | |
3840 | return eversion_t(); | |
3841 | const item &item(m->second); | |
3842 | return item.have; | |
3843 | } | |
3844 | ||
3845 | void claim(pg_missing_set& o) { | |
3846 | static_assert(!TrackChanges, "Can't use claim with TrackChanges"); | |
3847 | missing.swap(o.missing); | |
3848 | rmissing.swap(o.rmissing); | |
3849 | } | |
3850 | ||
3851 | /* | |
3852 | * this needs to be called in log order as we extend the log. it | |
3853 | * assumes missing is accurate up through the previous log entry. | |
3854 | */ | |
3855 | void add_next_event(const pg_log_entry_t& e) { | |
3856 | map<hobject_t, item>::iterator missing_it; | |
3857 | missing_it = missing.find(e.soid); | |
3858 | bool is_missing_divergent_item = missing_it != missing.end(); | |
3859 | if (e.prior_version == eversion_t() || e.is_clone()) { | |
3860 | // new object. | |
3861 | if (is_missing_divergent_item) { // use iterator | |
3862 | rmissing.erase((missing_it->second).need.version); | |
3863 | missing_it->second = item(e.version, eversion_t(), e.is_delete()); // .have = nil | |
3864 | } else // create new element in missing map | |
3865 | missing[e.soid] = item(e.version, eversion_t(), e.is_delete()); // .have = nil | |
3866 | } else if (is_missing_divergent_item) { | |
3867 | // already missing (prior). | |
3868 | rmissing.erase((missing_it->second).need.version); | |
3869 | (missing_it->second).need = e.version; // leave .have unchanged. | |
3870 | missing_it->second.set_delete(e.is_delete()); | |
3871 | } else if (e.is_backlog()) { | |
3872 | // May not have prior version | |
3873 | assert(0 == "these don't exist anymore"); | |
3874 | } else { | |
3875 | // not missing, we must have prior_version (if any) | |
3876 | assert(!is_missing_divergent_item); | |
3877 | missing[e.soid] = item(e.version, e.prior_version, e.is_delete()); | |
3878 | } | |
3879 | rmissing[e.version.version] = e.soid; | |
3880 | tracker.changed(e.soid); | |
3881 | } | |
3882 | ||
3883 | void revise_need(hobject_t oid, eversion_t need, bool is_delete) { | |
3884 | if (missing.count(oid)) { | |
3885 | rmissing.erase(missing[oid].need.version); | |
3886 | missing[oid].need = need; // no not adjust .have | |
3887 | missing[oid].set_delete(is_delete); | |
3888 | } else { | |
3889 | missing[oid] = item(need, eversion_t(), is_delete); | |
3890 | } | |
3891 | rmissing[need.version] = oid; | |
3892 | ||
3893 | tracker.changed(oid); | |
3894 | } | |
3895 | ||
3896 | void revise_have(hobject_t oid, eversion_t have) { | |
3897 | if (missing.count(oid)) { | |
3898 | tracker.changed(oid); | |
3899 | missing[oid].have = have; | |
3900 | } | |
3901 | } | |
3902 | ||
3903 | void add(const hobject_t& oid, eversion_t need, eversion_t have, | |
3904 | bool is_delete) { | |
3905 | missing[oid] = item(need, have, is_delete); | |
3906 | rmissing[need.version] = oid; | |
3907 | tracker.changed(oid); | |
3908 | } | |
3909 | ||
3910 | void rm(const hobject_t& oid, eversion_t v) { | |
3911 | std::map<hobject_t, item>::iterator p = missing.find(oid); | |
3912 | if (p != missing.end() && p->second.need <= v) | |
3913 | rm(p); | |
3914 | } | |
3915 | ||
3916 | void rm(std::map<hobject_t, item>::const_iterator m) { | |
3917 | tracker.changed(m->first); | |
3918 | rmissing.erase(m->second.need.version); | |
3919 | missing.erase(m); | |
3920 | } | |
3921 | ||
3922 | void got(const hobject_t& oid, eversion_t v) { | |
3923 | std::map<hobject_t, item>::iterator p = missing.find(oid); | |
3924 | assert(p != missing.end()); | |
3925 | assert(p->second.need <= v || p->second.is_delete()); | |
3926 | got(p); | |
3927 | } | |
3928 | ||
3929 | void got(std::map<hobject_t, item>::const_iterator m) { | |
3930 | tracker.changed(m->first); | |
3931 | rmissing.erase(m->second.need.version); | |
3932 | missing.erase(m); | |
3933 | } | |
3934 | ||
3935 | void split_into( | |
3936 | pg_t child_pgid, | |
3937 | unsigned split_bits, | |
3938 | pg_missing_set *omissing) { | |
3939 | omissing->may_include_deletes = may_include_deletes; | |
3940 | unsigned mask = ~((~0)<<split_bits); | |
3941 | for (map<hobject_t, item>::iterator i = missing.begin(); | |
3942 | i != missing.end(); | |
3943 | ) { | |
3944 | if ((i->first.get_hash() & mask) == child_pgid.m_seed) { | |
3945 | omissing->add(i->first, i->second.need, i->second.have, | |
3946 | i->second.is_delete()); | |
3947 | rm(i++); | |
3948 | } else { | |
3949 | ++i; | |
3950 | } | |
3951 | } | |
3952 | } | |
3953 | ||
3954 | void clear() { | |
3955 | for (auto const &i: missing) | |
3956 | tracker.changed(i.first); | |
3957 | missing.clear(); | |
3958 | rmissing.clear(); | |
3959 | } | |
3960 | ||
3961 | void encode(bufferlist &bl) const { | |
3962 | ENCODE_START(4, 2, bl); | |
3963 | ::encode(missing, bl, may_include_deletes ? CEPH_FEATURE_OSD_RECOVERY_DELETES : 0); | |
3964 | ::encode(may_include_deletes, bl); | |
3965 | ENCODE_FINISH(bl); | |
3966 | } | |
3967 | void decode(bufferlist::iterator &bl, int64_t pool = -1) { | |
3968 | for (auto const &i: missing) | |
3969 | tracker.changed(i.first); | |
3970 | DECODE_START_LEGACY_COMPAT_LEN(4, 2, 2, bl); | |
3971 | ::decode(missing, bl); | |
3972 | if (struct_v >= 4) { | |
3973 | ::decode(may_include_deletes, bl); | |
3974 | } | |
3975 | DECODE_FINISH(bl); | |
3976 | ||
3977 | if (struct_v < 3) { | |
3978 | // Handle hobject_t upgrade | |
3979 | map<hobject_t, item> tmp; | |
3980 | for (map<hobject_t, item>::iterator i = | |
3981 | missing.begin(); | |
3982 | i != missing.end(); | |
3983 | ) { | |
3984 | if (!i->first.is_max() && i->first.pool == -1) { | |
3985 | hobject_t to_insert(i->first); | |
3986 | to_insert.pool = pool; | |
3987 | tmp[to_insert] = i->second; | |
3988 | missing.erase(i++); | |
3989 | } else { | |
3990 | ++i; | |
3991 | } | |
3992 | } | |
3993 | missing.insert(tmp.begin(), tmp.end()); | |
3994 | } | |
3995 | ||
3996 | for (map<hobject_t,item>::iterator it = | |
3997 | missing.begin(); | |
3998 | it != missing.end(); | |
3999 | ++it) | |
4000 | rmissing[it->second.need.version] = it->first; | |
4001 | for (auto const &i: missing) | |
4002 | tracker.changed(i.first); | |
4003 | } | |
4004 | void dump(Formatter *f) const { | |
4005 | f->open_array_section("missing"); | |
4006 | for (map<hobject_t,item>::const_iterator p = | |
4007 | missing.begin(); p != missing.end(); ++p) { | |
4008 | f->open_object_section("item"); | |
4009 | f->dump_stream("object") << p->first; | |
4010 | p->second.dump(f); | |
4011 | f->close_section(); | |
4012 | } | |
4013 | f->close_section(); | |
4014 | f->dump_bool("may_include_deletes", may_include_deletes); | |
4015 | } | |
4016 | template <typename F> | |
4017 | void filter_objects(F &&f) { | |
4018 | for (auto i = missing.begin(); i != missing.end();) { | |
4019 | if (f(i->first)) { | |
4020 | rm(i++); | |
4021 | } else { | |
4022 | ++i; | |
4023 | } | |
4024 | } | |
4025 | } | |
4026 | static void generate_test_instances(list<pg_missing_set*>& o) { | |
4027 | o.push_back(new pg_missing_set); | |
4028 | o.push_back(new pg_missing_set); | |
4029 | o.back()->add( | |
4030 | hobject_t(object_t("foo"), "foo", 123, 456, 0, ""), | |
4031 | eversion_t(5, 6), eversion_t(5, 1), false); | |
4032 | o.push_back(new pg_missing_set); | |
4033 | o.back()->add( | |
4034 | hobject_t(object_t("foo"), "foo", 123, 456, 0, ""), | |
4035 | eversion_t(5, 6), eversion_t(5, 1), true); | |
4036 | o.back()->may_include_deletes = true; | |
4037 | } | |
4038 | template <typename F> | |
4039 | void get_changed(F &&f) const { | |
4040 | tracker.get_changed(f); | |
4041 | } | |
4042 | void flush() { | |
4043 | tracker.flush(); | |
4044 | } | |
4045 | bool is_clean() const { | |
4046 | return tracker.is_clean(); | |
4047 | } | |
4048 | template <typename missing_t> | |
4049 | bool debug_verify_from_init( | |
4050 | const missing_t &init_missing, | |
4051 | ostream *oss) const { | |
4052 | if (!TrackChanges) | |
4053 | return true; | |
4054 | auto check_missing(init_missing.get_items()); | |
4055 | tracker.get_changed([&](const hobject_t &hoid) { | |
4056 | check_missing.erase(hoid); | |
4057 | if (missing.count(hoid)) { | |
4058 | check_missing.insert(*(missing.find(hoid))); | |
4059 | } | |
4060 | }); | |
4061 | bool ok = true; | |
4062 | if (check_missing.size() != missing.size()) { | |
4063 | if (oss) { | |
4064 | *oss << "Size mismatch, check: " << check_missing.size() | |
4065 | << ", actual: " << missing.size() << "\n"; | |
4066 | } | |
4067 | ok = false; | |
4068 | } | |
4069 | for (auto &i: missing) { | |
4070 | if (!check_missing.count(i.first)) { | |
4071 | if (oss) | |
4072 | *oss << "check_missing missing " << i.first << "\n"; | |
4073 | ok = false; | |
4074 | } else if (check_missing[i.first] != i.second) { | |
4075 | if (oss) | |
4076 | *oss << "check_missing missing item mismatch on " << i.first | |
4077 | << ", check: " << check_missing[i.first] | |
4078 | << ", actual: " << i.second << "\n"; | |
4079 | ok = false; | |
4080 | } | |
4081 | } | |
4082 | if (oss && !ok) { | |
4083 | *oss << "check_missing: " << check_missing << "\n"; | |
4084 | set<hobject_t> changed; | |
4085 | tracker.get_changed([&](const hobject_t &hoid) { changed.insert(hoid); }); | |
4086 | *oss << "changed: " << changed << "\n"; | |
4087 | } | |
4088 | return ok; | |
4089 | } | |
4090 | }; | |
4091 | template <bool TrackChanges> | |
4092 | void encode( | |
4093 | const pg_missing_set<TrackChanges> &c, bufferlist &bl, uint64_t features=0) { | |
4094 | ENCODE_DUMP_PRE(); | |
4095 | c.encode(bl); | |
4096 | ENCODE_DUMP_POST(cl); | |
4097 | } | |
4098 | template <bool TrackChanges> | |
4099 | void decode(pg_missing_set<TrackChanges> &c, bufferlist::iterator &p) { | |
4100 | c.decode(p); | |
4101 | } | |
4102 | template <bool TrackChanges> | |
4103 | ostream& operator<<(ostream& out, const pg_missing_set<TrackChanges> &missing) | |
4104 | { | |
4105 | out << "missing(" << missing.num_missing() | |
4106 | << " may_include_deletes = " << missing.may_include_deletes; | |
4107 | //if (missing.num_lost()) out << ", " << missing.num_lost() << " lost"; | |
4108 | out << ")"; | |
4109 | return out; | |
4110 | } | |
4111 | ||
4112 | using pg_missing_t = pg_missing_set<false>; | |
4113 | using pg_missing_tracker_t = pg_missing_set<true>; | |
4114 | ||
4115 | ||
4116 | /** | |
4117 | * pg list objects response format | |
4118 | * | |
4119 | */ | |
4120 | struct pg_nls_response_t { | |
4121 | collection_list_handle_t handle; | |
4122 | list<librados::ListObjectImpl> entries; | |
4123 | ||
4124 | void encode(bufferlist& bl) const { | |
4125 | ENCODE_START(1, 1, bl); | |
4126 | ::encode(handle, bl); | |
4127 | __u32 n = (__u32)entries.size(); | |
4128 | ::encode(n, bl); | |
4129 | for (list<librados::ListObjectImpl>::const_iterator i = entries.begin(); i != entries.end(); ++i) { | |
4130 | ::encode(i->nspace, bl); | |
4131 | ::encode(i->oid, bl); | |
4132 | ::encode(i->locator, bl); | |
4133 | } | |
4134 | ENCODE_FINISH(bl); | |
4135 | } | |
4136 | void decode(bufferlist::iterator& bl) { | |
4137 | DECODE_START(1, bl); | |
4138 | ::decode(handle, bl); | |
4139 | __u32 n; | |
4140 | ::decode(n, bl); | |
4141 | entries.clear(); | |
4142 | while (n--) { | |
4143 | librados::ListObjectImpl i; | |
4144 | ::decode(i.nspace, bl); | |
4145 | ::decode(i.oid, bl); | |
4146 | ::decode(i.locator, bl); | |
4147 | entries.push_back(i); | |
4148 | } | |
4149 | DECODE_FINISH(bl); | |
4150 | } | |
4151 | void dump(Formatter *f) const { | |
4152 | f->dump_stream("handle") << handle; | |
4153 | f->open_array_section("entries"); | |
4154 | for (list<librados::ListObjectImpl>::const_iterator p = entries.begin(); p != entries.end(); ++p) { | |
4155 | f->open_object_section("object"); | |
4156 | f->dump_string("namespace", p->nspace); | |
4157 | f->dump_string("object", p->oid); | |
4158 | f->dump_string("key", p->locator); | |
4159 | f->close_section(); | |
4160 | } | |
4161 | f->close_section(); | |
4162 | } | |
4163 | static void generate_test_instances(list<pg_nls_response_t*>& o) { | |
4164 | o.push_back(new pg_nls_response_t); | |
4165 | o.push_back(new pg_nls_response_t); | |
4166 | o.back()->handle = hobject_t(object_t("hi"), "key", 1, 2, -1, ""); | |
4167 | o.back()->entries.push_back(librados::ListObjectImpl("", "one", "")); | |
4168 | o.back()->entries.push_back(librados::ListObjectImpl("", "two", "twokey")); | |
4169 | o.back()->entries.push_back(librados::ListObjectImpl("", "three", "")); | |
4170 | o.push_back(new pg_nls_response_t); | |
4171 | o.back()->handle = hobject_t(object_t("hi"), "key", 3, 4, -1, ""); | |
4172 | o.back()->entries.push_back(librados::ListObjectImpl("n1", "n1one", "")); | |
4173 | o.back()->entries.push_back(librados::ListObjectImpl("n1", "n1two", "n1twokey")); | |
4174 | o.back()->entries.push_back(librados::ListObjectImpl("n1", "n1three", "")); | |
4175 | o.push_back(new pg_nls_response_t); | |
4176 | o.back()->handle = hobject_t(object_t("hi"), "key", 5, 6, -1, ""); | |
4177 | o.back()->entries.push_back(librados::ListObjectImpl("", "one", "")); | |
4178 | o.back()->entries.push_back(librados::ListObjectImpl("", "two", "twokey")); | |
4179 | o.back()->entries.push_back(librados::ListObjectImpl("", "three", "")); | |
4180 | o.back()->entries.push_back(librados::ListObjectImpl("n1", "n1one", "")); | |
4181 | o.back()->entries.push_back(librados::ListObjectImpl("n1", "n1two", "n1twokey")); | |
4182 | o.back()->entries.push_back(librados::ListObjectImpl("n1", "n1three", "")); | |
4183 | } | |
4184 | }; | |
4185 | ||
4186 | WRITE_CLASS_ENCODER(pg_nls_response_t) | |
4187 | ||
4188 | // For backwards compatibility with older OSD requests | |
4189 | struct pg_ls_response_t { | |
4190 | collection_list_handle_t handle; | |
4191 | list<pair<object_t, string> > entries; | |
4192 | ||
4193 | void encode(bufferlist& bl) const { | |
4194 | __u8 v = 1; | |
4195 | ::encode(v, bl); | |
4196 | ::encode(handle, bl); | |
4197 | ::encode(entries, bl); | |
4198 | } | |
4199 | void decode(bufferlist::iterator& bl) { | |
4200 | __u8 v; | |
4201 | ::decode(v, bl); | |
4202 | assert(v == 1); | |
4203 | ::decode(handle, bl); | |
4204 | ::decode(entries, bl); | |
4205 | } | |
4206 | void dump(Formatter *f) const { | |
4207 | f->dump_stream("handle") << handle; | |
4208 | f->open_array_section("entries"); | |
4209 | for (list<pair<object_t, string> >::const_iterator p = entries.begin(); p != entries.end(); ++p) { | |
4210 | f->open_object_section("object"); | |
4211 | f->dump_stream("object") << p->first; | |
4212 | f->dump_string("key", p->second); | |
4213 | f->close_section(); | |
4214 | } | |
4215 | f->close_section(); | |
4216 | } | |
4217 | static void generate_test_instances(list<pg_ls_response_t*>& o) { | |
4218 | o.push_back(new pg_ls_response_t); | |
4219 | o.push_back(new pg_ls_response_t); | |
4220 | o.back()->handle = hobject_t(object_t("hi"), "key", 1, 2, -1, ""); | |
4221 | o.back()->entries.push_back(make_pair(object_t("one"), string())); | |
4222 | o.back()->entries.push_back(make_pair(object_t("two"), string("twokey"))); | |
4223 | } | |
4224 | }; | |
4225 | ||
4226 | WRITE_CLASS_ENCODER(pg_ls_response_t) | |
4227 | ||
4228 | /** | |
4229 | * object_copy_cursor_t | |
4230 | */ | |
4231 | struct object_copy_cursor_t { | |
4232 | uint64_t data_offset; | |
4233 | string omap_offset; | |
4234 | bool attr_complete; | |
4235 | bool data_complete; | |
4236 | bool omap_complete; | |
4237 | ||
4238 | object_copy_cursor_t() | |
4239 | : data_offset(0), | |
4240 | attr_complete(false), | |
4241 | data_complete(false), | |
4242 | omap_complete(false) | |
4243 | {} | |
4244 | ||
4245 | bool is_initial() const { | |
4246 | return !attr_complete && data_offset == 0 && omap_offset.empty(); | |
4247 | } | |
4248 | bool is_complete() const { | |
4249 | return attr_complete && data_complete && omap_complete; | |
4250 | } | |
4251 | ||
4252 | static void generate_test_instances(list<object_copy_cursor_t*>& o); | |
4253 | void encode(bufferlist& bl) const; | |
4254 | void decode(bufferlist::iterator &bl); | |
4255 | void dump(Formatter *f) const; | |
4256 | }; | |
4257 | WRITE_CLASS_ENCODER(object_copy_cursor_t) | |
4258 | ||
4259 | /** | |
4260 | * object_copy_data_t | |
4261 | * | |
4262 | * Return data from a copy request. The semantics are a little strange | |
4263 | * as a result of the encoding's heritage. | |
4264 | * | |
4265 | * In particular, the sender unconditionally fills in the cursor (from what | |
4266 | * it receives and sends), the size, and the mtime, but is responsible for | |
4267 | * figuring out whether it should put any data in the attrs, data, or | |
4268 | * omap members (corresponding to xattrs, object data, and the omap entries) | |
4269 | * based on external data (the client includes a max amount to return with | |
4270 | * the copy request). The client then looks into the attrs, data, and/or omap | |
4271 | * based on the contents of the cursor. | |
4272 | */ | |
4273 | struct object_copy_data_t { | |
4274 | enum { | |
4275 | FLAG_DATA_DIGEST = 1<<0, | |
4276 | FLAG_OMAP_DIGEST = 1<<1, | |
4277 | }; | |
4278 | object_copy_cursor_t cursor; | |
4279 | uint64_t size; | |
4280 | utime_t mtime; | |
4281 | uint32_t data_digest, omap_digest; | |
4282 | uint32_t flags; | |
4283 | map<string, bufferlist> attrs; | |
4284 | bufferlist data; | |
4285 | bufferlist omap_header; | |
4286 | bufferlist omap_data; | |
4287 | ||
4288 | /// which snaps we are defined for (if a snap and not the head) | |
4289 | vector<snapid_t> snaps; | |
4290 | ///< latest snap seq for the object (if head) | |
4291 | snapid_t snap_seq; | |
4292 | ||
4293 | ///< recent reqids on this object | |
4294 | mempool::osd_pglog::vector<pair<osd_reqid_t, version_t> > reqids; | |
4295 | ||
4296 | uint64_t truncate_seq; | |
4297 | uint64_t truncate_size; | |
4298 | ||
4299 | public: | |
4300 | object_copy_data_t() : | |
4301 | size((uint64_t)-1), data_digest(-1), | |
4302 | omap_digest(-1), flags(0), | |
4303 | truncate_seq(0), | |
4304 | truncate_size(0) {} | |
4305 | ||
4306 | static void generate_test_instances(list<object_copy_data_t*>& o); | |
4307 | void encode(bufferlist& bl, uint64_t features) const; | |
4308 | void decode(bufferlist::iterator& bl); | |
4309 | void dump(Formatter *f) const; | |
4310 | }; | |
4311 | WRITE_CLASS_ENCODER_FEATURES(object_copy_data_t) | |
4312 | ||
4313 | /** | |
4314 | * pg creation info | |
4315 | */ | |
4316 | struct pg_create_t { | |
4317 | epoch_t created; // epoch pg created | |
4318 | pg_t parent; // split from parent (if != pg_t()) | |
4319 | __s32 split_bits; | |
4320 | ||
4321 | pg_create_t() | |
4322 | : created(0), split_bits(0) {} | |
4323 | pg_create_t(unsigned c, pg_t p, int s) | |
4324 | : created(c), parent(p), split_bits(s) {} | |
4325 | ||
4326 | void encode(bufferlist &bl) const; | |
4327 | void decode(bufferlist::iterator &bl); | |
4328 | void dump(Formatter *f) const; | |
4329 | static void generate_test_instances(list<pg_create_t*>& o); | |
4330 | }; | |
4331 | WRITE_CLASS_ENCODER(pg_create_t) | |
4332 | ||
4333 | // ----------------------------------------- | |
4334 | ||
4335 | struct osd_peer_stat_t { | |
4336 | utime_t stamp; | |
4337 | ||
4338 | osd_peer_stat_t() { } | |
4339 | ||
4340 | void encode(bufferlist &bl) const; | |
4341 | void decode(bufferlist::iterator &bl); | |
4342 | void dump(Formatter *f) const; | |
4343 | static void generate_test_instances(list<osd_peer_stat_t*>& o); | |
4344 | }; | |
4345 | WRITE_CLASS_ENCODER(osd_peer_stat_t) | |
4346 | ||
4347 | ostream& operator<<(ostream& out, const osd_peer_stat_t &stat); | |
4348 | ||
4349 | ||
4350 | // ----------------------------------------- | |
4351 | ||
4352 | class ObjectExtent { | |
4353 | /** | |
4354 | * ObjectExtents are used for specifying IO behavior against RADOS | |
4355 | * objects when one is using the ObjectCacher. | |
4356 | * | |
4357 | * To use this in a real system, *every member* must be filled | |
4358 | * out correctly. In particular, make sure to initialize the | |
4359 | * oloc correctly, as its default values are deliberate poison | |
4360 | * and will cause internal ObjectCacher asserts. | |
4361 | * | |
4362 | * Similarly, your buffer_extents vector *must* specify a total | |
4363 | * size equal to your length. If the buffer_extents inadvertently | |
4364 | * contain less space than the length member specifies, you | |
4365 | * will get unintelligible asserts deep in the ObjectCacher. | |
4366 | * | |
4367 | * If you are trying to do testing and don't care about actual | |
4368 | * RADOS function, the simplest thing to do is to initialize | |
4369 | * the ObjectExtent (truncate_size can be 0), create a single entry | |
4370 | * in buffer_extents matching the length, and set oloc.pool to 0. | |
4371 | */ | |
4372 | public: | |
4373 | object_t oid; // object id | |
4374 | uint64_t objectno; | |
4375 | uint64_t offset; // in object | |
4376 | uint64_t length; // in object | |
4377 | uint64_t truncate_size; // in object | |
4378 | ||
4379 | object_locator_t oloc; // object locator (pool etc) | |
4380 | ||
4381 | vector<pair<uint64_t,uint64_t> > buffer_extents; // off -> len. extents in buffer being mapped (may be fragmented bc of striping!) | |
4382 | ||
4383 | ObjectExtent() : objectno(0), offset(0), length(0), truncate_size(0) {} | |
4384 | ObjectExtent(object_t o, uint64_t ono, uint64_t off, uint64_t l, uint64_t ts) : | |
4385 | oid(o), objectno(ono), offset(off), length(l), truncate_size(ts) { } | |
4386 | }; | |
4387 | ||
4388 | inline ostream& operator<<(ostream& out, const ObjectExtent &ex) | |
4389 | { | |
4390 | return out << "extent(" | |
4391 | << ex.oid << " (" << ex.objectno << ") in " << ex.oloc | |
4392 | << " " << ex.offset << "~" << ex.length | |
4393 | << " -> " << ex.buffer_extents | |
4394 | << ")"; | |
4395 | } | |
4396 | ||
4397 | ||
4398 | // --------------------------------------- | |
4399 | ||
4400 | class OSDSuperblock { | |
4401 | public: | |
4402 | uuid_d cluster_fsid, osd_fsid; | |
4403 | int32_t whoami; // my role in this fs. | |
4404 | epoch_t current_epoch; // most recent epoch | |
4405 | epoch_t oldest_map, newest_map; // oldest/newest maps we have. | |
4406 | double weight; | |
4407 | ||
4408 | CompatSet compat_features; | |
4409 | ||
4410 | // last interval over which i mounted and was then active | |
4411 | epoch_t mounted; // last epoch i mounted | |
4412 | epoch_t clean_thru; // epoch i was active and clean thru | |
4413 | ||
4414 | OSDSuperblock() : | |
4415 | whoami(-1), | |
4416 | current_epoch(0), oldest_map(0), newest_map(0), weight(0), | |
4417 | mounted(0), clean_thru(0) { | |
4418 | } | |
4419 | ||
4420 | void encode(bufferlist &bl) const; | |
4421 | void decode(bufferlist::iterator &bl); | |
4422 | void dump(Formatter *f) const; | |
4423 | static void generate_test_instances(list<OSDSuperblock*>& o); | |
4424 | }; | |
4425 | WRITE_CLASS_ENCODER(OSDSuperblock) | |
4426 | ||
4427 | inline ostream& operator<<(ostream& out, const OSDSuperblock& sb) | |
4428 | { | |
4429 | return out << "sb(" << sb.cluster_fsid | |
4430 | << " osd." << sb.whoami | |
4431 | << " " << sb.osd_fsid | |
4432 | << " e" << sb.current_epoch | |
4433 | << " [" << sb.oldest_map << "," << sb.newest_map << "]" | |
4434 | << " lci=[" << sb.mounted << "," << sb.clean_thru << "]" | |
4435 | << ")"; | |
4436 | } | |
4437 | ||
4438 | ||
4439 | // ------- | |
4440 | ||
4441 | ||
4442 | ||
4443 | ||
4444 | ||
4445 | ||
4446 | /* | |
4447 | * attached to object head. describes most recent snap context, and | |
4448 | * set of existing clones. | |
4449 | */ | |
4450 | struct SnapSet { | |
4451 | snapid_t seq; | |
4452 | bool head_exists; | |
4453 | vector<snapid_t> snaps; // descending | |
4454 | vector<snapid_t> clones; // ascending | |
4455 | map<snapid_t, interval_set<uint64_t> > clone_overlap; // overlap w/ next newest | |
4456 | map<snapid_t, uint64_t> clone_size; | |
4457 | map<snapid_t, vector<snapid_t>> clone_snaps; // descending | |
4458 | ||
4459 | SnapSet() : seq(0), head_exists(false) {} | |
4460 | explicit SnapSet(bufferlist& bl) { | |
4461 | bufferlist::iterator p = bl.begin(); | |
4462 | decode(p); | |
4463 | } | |
4464 | ||
4465 | bool is_legacy() const { | |
4466 | return clone_snaps.size() < clones.size() || !head_exists; | |
4467 | } | |
4468 | ||
4469 | /// populate SnapSet from a librados::snap_set_t | |
4470 | void from_snap_set(const librados::snap_set_t& ss, bool legacy); | |
4471 | ||
4472 | /// get space accounted to clone | |
4473 | uint64_t get_clone_bytes(snapid_t clone) const; | |
4474 | ||
4475 | void encode(bufferlist& bl) const; | |
4476 | void decode(bufferlist::iterator& bl); | |
4477 | void dump(Formatter *f) const; | |
4478 | static void generate_test_instances(list<SnapSet*>& o); | |
4479 | ||
4480 | SnapContext get_ssc_as_of(snapid_t as_of) const { | |
4481 | SnapContext out; | |
4482 | out.seq = as_of; | |
4483 | for (vector<snapid_t>::const_iterator i = snaps.begin(); | |
4484 | i != snaps.end(); | |
4485 | ++i) { | |
4486 | if (*i <= as_of) | |
4487 | out.snaps.push_back(*i); | |
4488 | } | |
4489 | return out; | |
4490 | } | |
4491 | ||
4492 | // return min element of snaps > after, return max if no such element | |
4493 | snapid_t get_first_snap_after(snapid_t after, snapid_t max) const { | |
4494 | for (vector<snapid_t>::const_reverse_iterator i = snaps.rbegin(); | |
4495 | i != snaps.rend(); | |
4496 | ++i) { | |
4497 | if (*i > after) | |
4498 | return *i; | |
4499 | } | |
4500 | return max; | |
4501 | } | |
4502 | ||
4503 | SnapSet get_filtered(const pg_pool_t &pinfo) const; | |
4504 | void filter(const pg_pool_t &pinfo); | |
4505 | }; | |
4506 | WRITE_CLASS_ENCODER(SnapSet) | |
4507 | ||
4508 | ostream& operator<<(ostream& out, const SnapSet& cs); | |
4509 | ||
4510 | ||
4511 | ||
4512 | #define OI_ATTR "_" | |
4513 | #define SS_ATTR "snapset" | |
4514 | ||
4515 | struct watch_info_t { | |
4516 | uint64_t cookie; | |
4517 | uint32_t timeout_seconds; | |
4518 | entity_addr_t addr; | |
4519 | ||
4520 | watch_info_t() : cookie(0), timeout_seconds(0) { } | |
4521 | watch_info_t(uint64_t c, uint32_t t, const entity_addr_t& a) : cookie(c), timeout_seconds(t), addr(a) {} | |
4522 | ||
4523 | void encode(bufferlist& bl, uint64_t features) const; | |
4524 | void decode(bufferlist::iterator& bl); | |
4525 | void dump(Formatter *f) const; | |
4526 | static void generate_test_instances(list<watch_info_t*>& o); | |
4527 | }; | |
4528 | WRITE_CLASS_ENCODER_FEATURES(watch_info_t) | |
4529 | ||
4530 | static inline bool operator==(const watch_info_t& l, const watch_info_t& r) { | |
4531 | return l.cookie == r.cookie && l.timeout_seconds == r.timeout_seconds | |
4532 | && l.addr == r.addr; | |
4533 | } | |
4534 | ||
4535 | static inline ostream& operator<<(ostream& out, const watch_info_t& w) { | |
4536 | return out << "watch(cookie " << w.cookie << " " << w.timeout_seconds << "s" | |
4537 | << " " << w.addr << ")"; | |
4538 | } | |
4539 | ||
4540 | struct notify_info_t { | |
4541 | uint64_t cookie; | |
4542 | uint64_t notify_id; | |
4543 | uint32_t timeout; | |
4544 | bufferlist bl; | |
4545 | }; | |
4546 | ||
4547 | static inline ostream& operator<<(ostream& out, const notify_info_t& n) { | |
4548 | return out << "notify(cookie " << n.cookie | |
4549 | << " notify" << n.notify_id | |
4550 | << " " << n.timeout << "s)"; | |
4551 | } | |
4552 | ||
4553 | struct object_info_t; | |
4554 | struct object_manifest_t { | |
4555 | enum { | |
4556 | TYPE_NONE = 0, | |
4557 | TYPE_REDIRECT = 1, // start with this | |
4558 | TYPE_CHUNKED = 2, // do this later | |
4559 | }; | |
4560 | uint8_t type; // redirect, chunked, ... | |
4561 | hobject_t redirect_target; | |
4562 | ||
4563 | object_manifest_t() : type(0) { } | |
4564 | object_manifest_t(uint8_t type, const hobject_t& redirect_target) | |
4565 | : type(type), redirect_target(redirect_target) { } | |
4566 | ||
4567 | bool is_empty() const { | |
4568 | return type == TYPE_NONE; | |
4569 | } | |
4570 | bool is_redirect() const { | |
4571 | return type == TYPE_REDIRECT; | |
4572 | } | |
4573 | bool is_chunked() const { | |
4574 | return type == TYPE_CHUNKED; | |
4575 | } | |
4576 | static const char *get_type_name(uint8_t m) { | |
4577 | switch (m) { | |
4578 | case TYPE_NONE: return "none"; | |
4579 | case TYPE_REDIRECT: return "redirect"; | |
4580 | case TYPE_CHUNKED: return "chunked"; | |
4581 | default: return "unknown"; | |
4582 | } | |
4583 | } | |
4584 | const char *get_type_name() const { | |
4585 | return get_type_name(type); | |
4586 | } | |
4587 | static void generate_test_instances(list<object_manifest_t*>& o); | |
4588 | void encode(bufferlist &bl) const; | |
4589 | void decode(bufferlist::iterator &bl); | |
4590 | void dump(Formatter *f) const; | |
4591 | friend ostream& operator<<(ostream& out, const object_info_t& oi); | |
4592 | }; | |
4593 | WRITE_CLASS_ENCODER(object_manifest_t) | |
4594 | ostream& operator<<(ostream& out, const object_manifest_t& oi); | |
4595 | ||
4596 | struct object_info_t { | |
4597 | hobject_t soid; | |
4598 | eversion_t version, prior_version; | |
4599 | version_t user_version; | |
4600 | osd_reqid_t last_reqid; | |
4601 | ||
4602 | uint64_t size; | |
4603 | utime_t mtime; | |
4604 | utime_t local_mtime; // local mtime | |
4605 | ||
4606 | // note: these are currently encoded into a total 16 bits; see | |
4607 | // encode()/decode() for the weirdness. | |
4608 | typedef enum { | |
4609 | FLAG_LOST = 1<<0, | |
4610 | FLAG_WHITEOUT = 1<<1, // object logically does not exist | |
4611 | FLAG_DIRTY = 1<<2, // object has been modified since last flushed or undirtied | |
4612 | FLAG_OMAP = 1 << 3, // has (or may have) some/any omap data | |
4613 | FLAG_DATA_DIGEST = 1 << 4, // has data crc | |
4614 | FLAG_OMAP_DIGEST = 1 << 5, // has omap crc | |
4615 | FLAG_CACHE_PIN = 1 << 6, // pin the object in cache tier | |
4616 | FLAG_MANIFEST = 1 << 7, // has manifest | |
4617 | // ... | |
4618 | FLAG_USES_TMAP = 1<<8, // deprecated; no longer used. | |
4619 | } flag_t; | |
4620 | ||
4621 | flag_t flags; | |
4622 | ||
4623 | static string get_flag_string(flag_t flags) { | |
4624 | string s; | |
4625 | if (flags & FLAG_LOST) | |
4626 | s += "|lost"; | |
4627 | if (flags & FLAG_WHITEOUT) | |
4628 | s += "|whiteout"; | |
4629 | if (flags & FLAG_DIRTY) | |
4630 | s += "|dirty"; | |
4631 | if (flags & FLAG_USES_TMAP) | |
4632 | s += "|uses_tmap"; | |
4633 | if (flags & FLAG_OMAP) | |
4634 | s += "|omap"; | |
4635 | if (flags & FLAG_DATA_DIGEST) | |
4636 | s += "|data_digest"; | |
4637 | if (flags & FLAG_OMAP_DIGEST) | |
4638 | s += "|omap_digest"; | |
4639 | if (flags & FLAG_CACHE_PIN) | |
4640 | s += "|cache_pin"; | |
4641 | if (flags & FLAG_MANIFEST) | |
4642 | s += "|manifest"; | |
4643 | if (s.length()) | |
4644 | return s.substr(1); | |
4645 | return s; | |
4646 | } | |
4647 | string get_flag_string() const { | |
4648 | return get_flag_string(flags); | |
4649 | } | |
4650 | ||
4651 | /// [clone] descending. pre-luminous; moved to SnapSet | |
4652 | vector<snapid_t> legacy_snaps; | |
4653 | ||
4654 | uint64_t truncate_seq, truncate_size; | |
4655 | ||
4656 | map<pair<uint64_t, entity_name_t>, watch_info_t> watchers; | |
4657 | ||
4658 | // opportunistic checksums; may or may not be present | |
4659 | __u32 data_digest; ///< data crc32c | |
4660 | __u32 omap_digest; ///< omap crc32c | |
4661 | ||
4662 | // alloc hint attribute | |
4663 | uint64_t expected_object_size, expected_write_size; | |
4664 | uint32_t alloc_hint_flags; | |
4665 | ||
4666 | struct object_manifest_t manifest; | |
4667 | ||
4668 | void copy_user_bits(const object_info_t& other); | |
4669 | ||
4670 | static ps_t legacy_object_locator_to_ps(const object_t &oid, | |
4671 | const object_locator_t &loc); | |
4672 | ||
4673 | bool test_flag(flag_t f) const { | |
4674 | return (flags & f) == f; | |
4675 | } | |
4676 | void set_flag(flag_t f) { | |
4677 | flags = (flag_t)(flags | f); | |
4678 | } | |
4679 | void clear_flag(flag_t f) { | |
4680 | flags = (flag_t)(flags & ~f); | |
4681 | } | |
4682 | bool is_lost() const { | |
4683 | return test_flag(FLAG_LOST); | |
4684 | } | |
4685 | bool is_whiteout() const { | |
4686 | return test_flag(FLAG_WHITEOUT); | |
4687 | } | |
4688 | bool is_dirty() const { | |
4689 | return test_flag(FLAG_DIRTY); | |
4690 | } | |
4691 | bool is_omap() const { | |
4692 | return test_flag(FLAG_OMAP); | |
4693 | } | |
4694 | bool is_data_digest() const { | |
4695 | return test_flag(FLAG_DATA_DIGEST); | |
4696 | } | |
4697 | bool is_omap_digest() const { | |
4698 | return test_flag(FLAG_OMAP_DIGEST); | |
4699 | } | |
4700 | bool is_cache_pinned() const { | |
4701 | return test_flag(FLAG_CACHE_PIN); | |
4702 | } | |
4703 | bool has_manifest() const { | |
4704 | return test_flag(FLAG_MANIFEST); | |
4705 | } | |
4706 | ||
4707 | void set_data_digest(__u32 d) { | |
4708 | set_flag(FLAG_DATA_DIGEST); | |
4709 | data_digest = d; | |
4710 | } | |
4711 | void set_omap_digest(__u32 d) { | |
4712 | set_flag(FLAG_OMAP_DIGEST); | |
4713 | omap_digest = d; | |
4714 | } | |
4715 | void clear_data_digest() { | |
4716 | clear_flag(FLAG_DATA_DIGEST); | |
4717 | data_digest = -1; | |
4718 | } | |
4719 | void clear_omap_digest() { | |
4720 | clear_flag(FLAG_OMAP_DIGEST); | |
4721 | omap_digest = -1; | |
4722 | } | |
4723 | void new_object() { | |
4724 | set_data_digest(-1); | |
4725 | set_omap_digest(-1); | |
4726 | } | |
4727 | ||
4728 | void encode(bufferlist& bl, uint64_t features) const; | |
4729 | void decode(bufferlist::iterator& bl); | |
4730 | void decode(bufferlist& bl) { | |
4731 | bufferlist::iterator p = bl.begin(); | |
4732 | decode(p); | |
4733 | } | |
4734 | void dump(Formatter *f) const; | |
4735 | static void generate_test_instances(list<object_info_t*>& o); | |
4736 | ||
4737 | explicit object_info_t() | |
4738 | : user_version(0), size(0), flags((flag_t)0), | |
4739 | truncate_seq(0), truncate_size(0), | |
4740 | data_digest(-1), omap_digest(-1), | |
4741 | expected_object_size(0), expected_write_size(0), | |
4742 | alloc_hint_flags(0) | |
4743 | {} | |
4744 | ||
4745 | explicit object_info_t(const hobject_t& s) | |
4746 | : soid(s), | |
4747 | user_version(0), size(0), flags((flag_t)0), | |
4748 | truncate_seq(0), truncate_size(0), | |
4749 | data_digest(-1), omap_digest(-1), | |
4750 | expected_object_size(0), expected_write_size(0), | |
4751 | alloc_hint_flags(0) | |
4752 | {} | |
4753 | ||
4754 | explicit object_info_t(bufferlist& bl) { | |
4755 | decode(bl); | |
4756 | } | |
4757 | }; | |
4758 | WRITE_CLASS_ENCODER_FEATURES(object_info_t) | |
4759 | ||
4760 | ostream& operator<<(ostream& out, const object_info_t& oi); | |
4761 | ||
4762 | ||
4763 | ||
4764 | // Object recovery | |
4765 | struct ObjectRecoveryInfo { | |
4766 | hobject_t soid; | |
4767 | eversion_t version; | |
4768 | uint64_t size; | |
4769 | object_info_t oi; | |
4770 | SnapSet ss; // only populated if soid is_snap() | |
4771 | interval_set<uint64_t> copy_subset; | |
4772 | map<hobject_t, interval_set<uint64_t>> clone_subset; | |
4773 | ||
4774 | ObjectRecoveryInfo() : size(0) { } | |
4775 | ||
4776 | static void generate_test_instances(list<ObjectRecoveryInfo*>& o); | |
4777 | void encode(bufferlist &bl, uint64_t features) const; | |
4778 | void decode(bufferlist::iterator &bl, int64_t pool = -1); | |
4779 | ostream &print(ostream &out) const; | |
4780 | void dump(Formatter *f) const; | |
4781 | }; | |
4782 | WRITE_CLASS_ENCODER_FEATURES(ObjectRecoveryInfo) | |
4783 | ostream& operator<<(ostream& out, const ObjectRecoveryInfo &inf); | |
4784 | ||
4785 | struct ObjectRecoveryProgress { | |
4786 | uint64_t data_recovered_to; | |
4787 | string omap_recovered_to; | |
4788 | bool first; | |
4789 | bool data_complete; | |
4790 | bool omap_complete; | |
4791 | bool error = false; | |
4792 | ||
4793 | ObjectRecoveryProgress() | |
4794 | : data_recovered_to(0), | |
4795 | first(true), | |
4796 | data_complete(false), omap_complete(false) { } | |
4797 | ||
4798 | bool is_complete(const ObjectRecoveryInfo& info) const { | |
4799 | return (data_recovered_to >= ( | |
4800 | info.copy_subset.empty() ? | |
4801 | 0 : info.copy_subset.range_end())) && | |
4802 | omap_complete; | |
4803 | } | |
4804 | ||
4805 | static void generate_test_instances(list<ObjectRecoveryProgress*>& o); | |
4806 | void encode(bufferlist &bl) const; | |
4807 | void decode(bufferlist::iterator &bl); | |
4808 | ostream &print(ostream &out) const; | |
4809 | void dump(Formatter *f) const; | |
4810 | }; | |
4811 | WRITE_CLASS_ENCODER(ObjectRecoveryProgress) | |
4812 | ostream& operator<<(ostream& out, const ObjectRecoveryProgress &prog); | |
4813 | ||
4814 | struct PushReplyOp { | |
4815 | hobject_t soid; | |
4816 | ||
4817 | static void generate_test_instances(list<PushReplyOp*>& o); | |
4818 | void encode(bufferlist &bl) const; | |
4819 | void decode(bufferlist::iterator &bl); | |
4820 | ostream &print(ostream &out) const; | |
4821 | void dump(Formatter *f) const; | |
4822 | ||
4823 | uint64_t cost(CephContext *cct) const; | |
4824 | }; | |
4825 | WRITE_CLASS_ENCODER(PushReplyOp) | |
4826 | ostream& operator<<(ostream& out, const PushReplyOp &op); | |
4827 | ||
4828 | struct PullOp { | |
4829 | hobject_t soid; | |
4830 | ||
4831 | ObjectRecoveryInfo recovery_info; | |
4832 | ObjectRecoveryProgress recovery_progress; | |
4833 | ||
4834 | static void generate_test_instances(list<PullOp*>& o); | |
4835 | void encode(bufferlist &bl, uint64_t features) const; | |
4836 | void decode(bufferlist::iterator &bl); | |
4837 | ostream &print(ostream &out) const; | |
4838 | void dump(Formatter *f) const; | |
4839 | ||
4840 | uint64_t cost(CephContext *cct) const; | |
4841 | }; | |
4842 | WRITE_CLASS_ENCODER_FEATURES(PullOp) | |
4843 | ostream& operator<<(ostream& out, const PullOp &op); | |
4844 | ||
4845 | struct PushOp { | |
4846 | hobject_t soid; | |
4847 | eversion_t version; | |
4848 | bufferlist data; | |
4849 | interval_set<uint64_t> data_included; | |
4850 | bufferlist omap_header; | |
4851 | map<string, bufferlist> omap_entries; | |
4852 | map<string, bufferlist> attrset; | |
4853 | ||
4854 | ObjectRecoveryInfo recovery_info; | |
4855 | ObjectRecoveryProgress before_progress; | |
4856 | ObjectRecoveryProgress after_progress; | |
4857 | ||
4858 | static void generate_test_instances(list<PushOp*>& o); | |
4859 | void encode(bufferlist &bl, uint64_t features) const; | |
4860 | void decode(bufferlist::iterator &bl); | |
4861 | ostream &print(ostream &out) const; | |
4862 | void dump(Formatter *f) const; | |
4863 | ||
4864 | uint64_t cost(CephContext *cct) const; | |
4865 | }; | |
4866 | WRITE_CLASS_ENCODER_FEATURES(PushOp) | |
4867 | ostream& operator<<(ostream& out, const PushOp &op); | |
4868 | ||
4869 | ||
4870 | /* | |
4871 | * summarize pg contents for purposes of a scrub | |
4872 | */ | |
4873 | struct ScrubMap { | |
4874 | struct object { | |
4875 | map<string,bufferptr> attrs; | |
4876 | uint64_t size; | |
4877 | __u32 omap_digest; ///< omap crc32c | |
4878 | __u32 digest; ///< data crc32c | |
4879 | bool negative:1; | |
4880 | bool digest_present:1; | |
4881 | bool omap_digest_present:1; | |
4882 | bool read_error:1; | |
4883 | bool stat_error:1; | |
4884 | bool ec_hash_mismatch:1; | |
4885 | bool ec_size_mismatch:1; | |
4886 | ||
4887 | object() : | |
4888 | // Init invalid size so it won't match if we get a stat EIO error | |
4889 | size(-1), omap_digest(0), digest(0), | |
4890 | negative(false), digest_present(false), omap_digest_present(false), | |
4891 | read_error(false), stat_error(false), ec_hash_mismatch(false), ec_size_mismatch(false) {} | |
4892 | ||
4893 | void encode(bufferlist& bl) const; | |
4894 | void decode(bufferlist::iterator& bl); | |
4895 | void dump(Formatter *f) const; | |
4896 | static void generate_test_instances(list<object*>& o); | |
4897 | }; | |
4898 | WRITE_CLASS_ENCODER(object) | |
4899 | ||
4900 | map<hobject_t,object> objects; | |
4901 | eversion_t valid_through; | |
4902 | eversion_t incr_since; | |
4903 | ||
4904 | void merge_incr(const ScrubMap &l); | |
4905 | void insert(const ScrubMap &r) { | |
4906 | objects.insert(r.objects.begin(), r.objects.end()); | |
4907 | } | |
4908 | void swap(ScrubMap &r) { | |
4909 | using std::swap; | |
4910 | swap(objects, r.objects); | |
4911 | swap(valid_through, r.valid_through); | |
4912 | swap(incr_since, r.incr_since); | |
4913 | } | |
4914 | ||
4915 | void encode(bufferlist& bl) const; | |
4916 | void decode(bufferlist::iterator& bl, int64_t pool=-1); | |
4917 | void dump(Formatter *f) const; | |
4918 | static void generate_test_instances(list<ScrubMap*>& o); | |
4919 | }; | |
4920 | WRITE_CLASS_ENCODER(ScrubMap::object) | |
4921 | WRITE_CLASS_ENCODER(ScrubMap) | |
4922 | ||
4923 | struct OSDOp { | |
4924 | ceph_osd_op op; | |
4925 | sobject_t soid; | |
4926 | ||
4927 | bufferlist indata, outdata; | |
4928 | errorcode32_t rval; | |
4929 | ||
4930 | OSDOp() : rval(0) { | |
4931 | memset(&op, 0, sizeof(ceph_osd_op)); | |
4932 | } | |
4933 | ||
4934 | /** | |
4935 | * split a bufferlist into constituent indata members of a vector of OSDOps | |
4936 | * | |
4937 | * @param ops [out] vector of OSDOps | |
4938 | * @param in [in] combined data buffer | |
4939 | */ | |
4940 | static void split_osd_op_vector_in_data(vector<OSDOp>& ops, bufferlist& in); | |
4941 | ||
4942 | /** | |
4943 | * merge indata members of a vector of OSDOp into a single bufferlist | |
4944 | * | |
4945 | * Notably this also encodes certain other OSDOp data into the data | |
4946 | * buffer, including the sobject_t soid. | |
4947 | * | |
4948 | * @param ops [in] vector of OSDOps | |
4949 | * @param out [out] combined data buffer | |
4950 | */ | |
4951 | static void merge_osd_op_vector_in_data(vector<OSDOp>& ops, bufferlist& out); | |
4952 | ||
4953 | /** | |
4954 | * split a bufferlist into constituent outdata members of a vector of OSDOps | |
4955 | * | |
4956 | * @param ops [out] vector of OSDOps | |
4957 | * @param in [in] combined data buffer | |
4958 | */ | |
4959 | static void split_osd_op_vector_out_data(vector<OSDOp>& ops, bufferlist& in); | |
4960 | ||
4961 | /** | |
4962 | * merge outdata members of a vector of OSDOps into a single bufferlist | |
4963 | * | |
4964 | * @param ops [in] vector of OSDOps | |
4965 | * @param out [out] combined data buffer | |
4966 | */ | |
4967 | static void merge_osd_op_vector_out_data(vector<OSDOp>& ops, bufferlist& out); | |
4968 | ||
4969 | /** | |
4970 | * Clear data as much as possible, leave minimal data for historical op dump | |
4971 | * | |
4972 | * @param ops [in] vector of OSDOps | |
4973 | */ | |
4974 | static void clear_data(vector<OSDOp>& ops); | |
4975 | }; | |
4976 | ||
4977 | ostream& operator<<(ostream& out, const OSDOp& op); | |
4978 | ||
4979 | struct watch_item_t { | |
4980 | entity_name_t name; | |
4981 | uint64_t cookie; | |
4982 | uint32_t timeout_seconds; | |
4983 | entity_addr_t addr; | |
4984 | ||
4985 | watch_item_t() : cookie(0), timeout_seconds(0) { } | |
4986 | watch_item_t(entity_name_t name, uint64_t cookie, uint32_t timeout, | |
4987 | const entity_addr_t& addr) | |
4988 | : name(name), cookie(cookie), timeout_seconds(timeout), | |
4989 | addr(addr) { } | |
4990 | ||
4991 | void encode(bufferlist &bl, uint64_t features) const { | |
4992 | ENCODE_START(2, 1, bl); | |
4993 | ::encode(name, bl); | |
4994 | ::encode(cookie, bl); | |
4995 | ::encode(timeout_seconds, bl); | |
4996 | ::encode(addr, bl, features); | |
4997 | ENCODE_FINISH(bl); | |
4998 | } | |
4999 | void decode(bufferlist::iterator &bl) { | |
5000 | DECODE_START(2, bl); | |
5001 | ::decode(name, bl); | |
5002 | ::decode(cookie, bl); | |
5003 | ::decode(timeout_seconds, bl); | |
5004 | if (struct_v >= 2) { | |
5005 | ::decode(addr, bl); | |
5006 | } | |
5007 | DECODE_FINISH(bl); | |
5008 | } | |
5009 | }; | |
5010 | WRITE_CLASS_ENCODER_FEATURES(watch_item_t) | |
5011 | ||
5012 | struct obj_watch_item_t { | |
5013 | hobject_t obj; | |
5014 | watch_item_t wi; | |
5015 | }; | |
5016 | ||
5017 | /** | |
5018 | * obj list watch response format | |
5019 | * | |
5020 | */ | |
5021 | struct obj_list_watch_response_t { | |
5022 | list<watch_item_t> entries; | |
5023 | ||
5024 | void encode(bufferlist& bl, uint64_t features) const { | |
5025 | ENCODE_START(1, 1, bl); | |
5026 | ::encode(entries, bl, features); | |
5027 | ENCODE_FINISH(bl); | |
5028 | } | |
5029 | void decode(bufferlist::iterator& bl) { | |
5030 | DECODE_START(1, bl); | |
5031 | ::decode(entries, bl); | |
5032 | DECODE_FINISH(bl); | |
5033 | } | |
5034 | void dump(Formatter *f) const { | |
5035 | f->open_array_section("entries"); | |
5036 | for (list<watch_item_t>::const_iterator p = entries.begin(); p != entries.end(); ++p) { | |
5037 | f->open_object_section("watch"); | |
5038 | f->dump_stream("watcher") << p->name; | |
5039 | f->dump_int("cookie", p->cookie); | |
5040 | f->dump_int("timeout", p->timeout_seconds); | |
5041 | f->open_object_section("addr"); | |
5042 | p->addr.dump(f); | |
5043 | f->close_section(); | |
5044 | f->close_section(); | |
5045 | } | |
5046 | f->close_section(); | |
5047 | } | |
5048 | static void generate_test_instances(list<obj_list_watch_response_t*>& o) { | |
5049 | entity_addr_t ea; | |
5050 | o.push_back(new obj_list_watch_response_t); | |
5051 | o.push_back(new obj_list_watch_response_t); | |
5052 | ea.set_type(entity_addr_t::TYPE_LEGACY); | |
5053 | ea.set_nonce(1000); | |
5054 | ea.set_family(AF_INET); | |
5055 | ea.set_in4_quad(0, 127); | |
5056 | ea.set_in4_quad(1, 0); | |
5057 | ea.set_in4_quad(2, 0); | |
5058 | ea.set_in4_quad(3, 1); | |
5059 | ea.set_port(1024); | |
5060 | o.back()->entries.push_back(watch_item_t(entity_name_t(entity_name_t::TYPE_CLIENT, 1), 10, 30, ea)); | |
5061 | ea.set_nonce(1001); | |
5062 | ea.set_in4_quad(3, 2); | |
5063 | ea.set_port(1025); | |
5064 | o.back()->entries.push_back(watch_item_t(entity_name_t(entity_name_t::TYPE_CLIENT, 2), 20, 60, ea)); | |
5065 | } | |
5066 | }; | |
5067 | WRITE_CLASS_ENCODER_FEATURES(obj_list_watch_response_t) | |
5068 | ||
5069 | struct clone_info { | |
5070 | snapid_t cloneid; | |
5071 | vector<snapid_t> snaps; // ascending | |
5072 | vector< pair<uint64_t,uint64_t> > overlap; | |
5073 | uint64_t size; | |
5074 | ||
5075 | clone_info() : cloneid(CEPH_NOSNAP), size(0) {} | |
5076 | ||
5077 | void encode(bufferlist& bl) const { | |
5078 | ENCODE_START(1, 1, bl); | |
5079 | ::encode(cloneid, bl); | |
5080 | ::encode(snaps, bl); | |
5081 | ::encode(overlap, bl); | |
5082 | ::encode(size, bl); | |
5083 | ENCODE_FINISH(bl); | |
5084 | } | |
5085 | void decode(bufferlist::iterator& bl) { | |
5086 | DECODE_START(1, bl); | |
5087 | ::decode(cloneid, bl); | |
5088 | ::decode(snaps, bl); | |
5089 | ::decode(overlap, bl); | |
5090 | ::decode(size, bl); | |
5091 | DECODE_FINISH(bl); | |
5092 | } | |
5093 | void dump(Formatter *f) const { | |
5094 | if (cloneid == CEPH_NOSNAP) | |
5095 | f->dump_string("cloneid", "HEAD"); | |
5096 | else | |
5097 | f->dump_unsigned("cloneid", cloneid.val); | |
5098 | f->open_array_section("snapshots"); | |
5099 | for (vector<snapid_t>::const_iterator p = snaps.begin(); p != snaps.end(); ++p) { | |
5100 | f->open_object_section("snap"); | |
5101 | f->dump_unsigned("id", p->val); | |
5102 | f->close_section(); | |
5103 | } | |
5104 | f->close_section(); | |
5105 | f->open_array_section("overlaps"); | |
5106 | for (vector< pair<uint64_t,uint64_t> >::const_iterator q = overlap.begin(); | |
5107 | q != overlap.end(); ++q) { | |
5108 | f->open_object_section("overlap"); | |
5109 | f->dump_unsigned("offset", q->first); | |
5110 | f->dump_unsigned("length", q->second); | |
5111 | f->close_section(); | |
5112 | } | |
5113 | f->close_section(); | |
5114 | f->dump_unsigned("size", size); | |
5115 | } | |
5116 | static void generate_test_instances(list<clone_info*>& o) { | |
5117 | o.push_back(new clone_info); | |
5118 | o.push_back(new clone_info); | |
5119 | o.back()->cloneid = 1; | |
5120 | o.back()->snaps.push_back(1); | |
5121 | o.back()->overlap.push_back(pair<uint64_t,uint64_t>(0,4096)); | |
5122 | o.back()->overlap.push_back(pair<uint64_t,uint64_t>(8192,4096)); | |
5123 | o.back()->size = 16384; | |
5124 | o.push_back(new clone_info); | |
5125 | o.back()->cloneid = CEPH_NOSNAP; | |
5126 | o.back()->size = 32768; | |
5127 | } | |
5128 | }; | |
5129 | WRITE_CLASS_ENCODER(clone_info) | |
5130 | ||
5131 | /** | |
5132 | * obj list snaps response format | |
5133 | * | |
5134 | */ | |
5135 | struct obj_list_snap_response_t { | |
5136 | vector<clone_info> clones; // ascending | |
5137 | snapid_t seq; | |
5138 | ||
5139 | void encode(bufferlist& bl) const { | |
5140 | ENCODE_START(2, 1, bl); | |
5141 | ::encode(clones, bl); | |
5142 | ::encode(seq, bl); | |
5143 | ENCODE_FINISH(bl); | |
5144 | } | |
5145 | void decode(bufferlist::iterator& bl) { | |
5146 | DECODE_START(2, bl); | |
5147 | ::decode(clones, bl); | |
5148 | if (struct_v >= 2) | |
5149 | ::decode(seq, bl); | |
5150 | else | |
5151 | seq = CEPH_NOSNAP; | |
5152 | DECODE_FINISH(bl); | |
5153 | } | |
5154 | void dump(Formatter *f) const { | |
5155 | f->open_array_section("clones"); | |
5156 | for (vector<clone_info>::const_iterator p = clones.begin(); p != clones.end(); ++p) { | |
5157 | f->open_object_section("clone"); | |
5158 | p->dump(f); | |
5159 | f->close_section(); | |
5160 | } | |
5161 | f->dump_unsigned("seq", seq); | |
5162 | f->close_section(); | |
5163 | } | |
5164 | static void generate_test_instances(list<obj_list_snap_response_t*>& o) { | |
5165 | o.push_back(new obj_list_snap_response_t); | |
5166 | o.push_back(new obj_list_snap_response_t); | |
5167 | clone_info cl; | |
5168 | cl.cloneid = 1; | |
5169 | cl.snaps.push_back(1); | |
5170 | cl.overlap.push_back(pair<uint64_t,uint64_t>(0,4096)); | |
5171 | cl.overlap.push_back(pair<uint64_t,uint64_t>(8192,4096)); | |
5172 | cl.size = 16384; | |
5173 | o.back()->clones.push_back(cl); | |
5174 | cl.cloneid = CEPH_NOSNAP; | |
5175 | cl.snaps.clear(); | |
5176 | cl.overlap.clear(); | |
5177 | cl.size = 32768; | |
5178 | o.back()->clones.push_back(cl); | |
5179 | o.back()->seq = 123; | |
5180 | } | |
5181 | }; | |
5182 | ||
5183 | WRITE_CLASS_ENCODER(obj_list_snap_response_t) | |
5184 | ||
5185 | // PromoteCounter | |
5186 | ||
5187 | struct PromoteCounter { | |
5188 | std::atomic_ullong attempts{0}; | |
5189 | std::atomic_ullong objects{0}; | |
5190 | std::atomic_ullong bytes{0}; | |
5191 | ||
5192 | void attempt() { | |
5193 | attempts++; | |
5194 | } | |
5195 | ||
5196 | void finish(uint64_t size) { | |
5197 | objects++; | |
5198 | bytes += size; | |
5199 | } | |
5200 | ||
5201 | void sample_and_attenuate(uint64_t *a, uint64_t *o, uint64_t *b) { | |
5202 | *a = attempts; | |
5203 | *o = objects; | |
5204 | *b = bytes; | |
5205 | attempts = *a / 2; | |
5206 | objects = *o / 2; | |
5207 | bytes = *b / 2; | |
5208 | } | |
5209 | }; | |
5210 | ||
5211 | /** store_statfs_t | |
5212 | * ObjectStore full statfs information | |
5213 | */ | |
5214 | struct store_statfs_t | |
5215 | { | |
5216 | uint64_t total = 0; // Total bytes | |
5217 | uint64_t available = 0; // Free bytes available | |
5218 | ||
5219 | int64_t allocated = 0; // Bytes allocated by the store | |
5220 | int64_t stored = 0; // Bytes actually stored by the user | |
5221 | int64_t compressed = 0; // Bytes stored after compression | |
5222 | int64_t compressed_allocated = 0; // Bytes allocated for compressed data | |
5223 | int64_t compressed_original = 0; // Bytes that were successfully compressed | |
5224 | ||
5225 | void reset() { | |
5226 | *this = store_statfs_t(); | |
5227 | } | |
5228 | bool operator ==(const store_statfs_t& other) const; | |
5229 | void dump(Formatter *f) const; | |
5230 | }; | |
5231 | ostream &operator<<(ostream &lhs, const store_statfs_t &rhs); | |
5232 | ||
5233 | #endif |